Home / 1,171,989-1,617,344.82-635,445

Finding the Fourth Proportional to 1,171,989, 1,617,344.82 and 635,445

Calculator

Solution

The fourth proportional to 1,171,989, 1,617,344.82 and 635,445 is: 876,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,989 : 1,617,344.82 = 635,445 : x
  2. Step 2: Convert to fraction form
    1,171,989/1,617,344.82 = 635,445/x
  3. Step 3: Cross multiply
    1,171,989x = 1,617,344.82 × 635,445
  4. Step 4: Simplify right side
    1,171,989x = 1,027,733,679,144.90
  5. Step 5: Solve for x
    x = 1,027,733,679,144.90/1,171,989
  6. Step 6: Final answer
    x = 876,914.10

Related Problems

Find fourth proportional to 585,994.50, 808,672.41 and 317,722.50
Half scale
Find fourth proportional to 2,343,978, 3,234,689.64 and 1,270,890
Double scale
Find fourth proportional to 1,171,990, 1,617,346.20 and 635,446
Similar ratio
Find fourth proportional to 1,757,983.50, 2,426,017.23 and 953,167.50
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.