Home / 1,092,160.10-1,638,240.15-985,871.90

Finding the Fourth Proportional to 1,092,160.10, 1,638,240.15 and 985,871.90

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Solution

The fourth proportional to 1,092,160.10, 1,638,240.15 and 985,871.90 is: 1,478,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,160.10 : 1,638,240.15 = 985,871.90 : x
  2. Step 2: Convert to fraction form
    1,092,160.10/1,638,240.15 = 985,871.90/x
  3. Step 3: Cross multiply
    1,092,160.10x = 1,638,240.15 × 985,871.90
  4. Step 4: Simplify right side
    1,092,160.10x = 1,615,094,929,336.79
  5. Step 5: Solve for x
    x = 1,615,094,929,336.79/1,092,160.10
  6. Step 6: Final answer
    x = 1,478,807.85

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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.