Home / 1,115,783.40-1,540,176-663,069

Finding the Fourth Proportional to 1,115,783.40, 1,540,176 and 663,069

Calculator

Solution

The fourth proportional to 1,115,783.40, 1,540,176 and 663,069 is: 915,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,783.40 : 1,540,176 = 663,069 : x
  2. Step 2: Convert to fraction form
    1,115,783.40/1,540,176 = 663,069/x
  3. Step 3: Cross multiply
    1,115,783.40x = 1,540,176 × 663,069
  4. Step 4: Simplify right side
    1,115,783.40x = 1,021,242,960,144
  5. Step 5: Solve for x
    x = 1,021,242,960,144/1,115,783.40
  6. Step 6: Final answer
    x = 915,269.90

Related Problems

Find fourth proportional to 557,891.70, 770,088 and 331,534.50
Half scale
Find fourth proportional to 2,231,566.80, 3,080,352 and 1,326,138
Double scale
Find fourth proportional to 1,115,784.40, 1,540,177.38 and 663,070
Similar ratio
Find fourth proportional to 1,673,675.10, 2,310,264 and 994,603.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.