Home / 1,031,255.08-1,423,126.02-578,545

Finding the Fourth Proportional to 1,031,255.08, 1,423,126.02 and 578,545

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Solution

The fourth proportional to 1,031,255.08, 1,423,126.02 and 578,545 is: 798,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,255.08 : 1,423,126.02 = 578,545 : x
  2. Step 2: Convert to fraction form
    1,031,255.08/1,423,126.02 = 578,545/x
  3. Step 3: Cross multiply
    1,031,255.08x = 1,423,126.02 × 578,545
  4. Step 4: Simplify right side
    1,031,255.08x = 823,342,443,240.90
  5. Step 5: Solve for x
    x = 823,342,443,240.90/1,031,255.08
  6. Step 6: Final answer
    x = 798,388.74

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Double scale
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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.