Home / 1,031,242.86-1,423,130.31-572,386.91

Finding the Fourth Proportional to 1,031,242.86, 1,423,130.31 and 572,386.91

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Solution

The fourth proportional to 1,031,242.86, 1,423,130.31 and 572,386.91 is: 789,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,242.86 : 1,423,130.31 = 572,386.91 : x
  2. Step 2: Convert to fraction form
    1,031,242.86/1,423,130.31 = 572,386.91/x
  3. Step 3: Cross multiply
    1,031,242.86x = 1,423,130.31 × 572,386.91
  4. Step 4: Simplify right side
    1,031,242.86x = 814,581,153,552.59
  5. Step 5: Solve for x
    x = 814,581,153,552.59/1,031,242.86
  6. Step 6: Final answer
    x = 789,902.35

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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.