Home / 3,105,169-4,657,753.50-861,307

Finding the Fourth Proportional to 3,105,169, 4,657,753.50 and 861,307

Calculator

Solution

The fourth proportional to 3,105,169, 4,657,753.50 and 861,307 is: 1,291,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,169 : 4,657,753.50 = 861,307 : x
  2. Step 2: Convert to fraction form
    3,105,169/4,657,753.50 = 861,307/x
  3. Step 3: Cross multiply
    3,105,169x = 4,657,753.50 × 861,307
  4. Step 4: Simplify right side
    3,105,169x = 4,011,755,693,824.50
  5. Step 5: Solve for x
    x = 4,011,755,693,824.50/3,105,169
  6. Step 6: Final answer
    x = 1,291,960.50

Related Problems

Find fourth proportional to 1,552,584.50, 2,328,876.75 and 430,653.50
Half scale
Find fourth proportional to 6,210,338, 9,315,507 and 1,722,614
Double scale
Find fourth proportional to 3,105,170, 4,657,755 and 861,308
Similar ratio
Find fourth proportional to 4,657,753.50, 6,986,630.25 and 1,291,960.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.