Home / 1,005,122.19-1,387,073.12-552,442.35

Finding the Fourth Proportional to 1,005,122.19, 1,387,073.12 and 552,442.35

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Solution

The fourth proportional to 1,005,122.19, 1,387,073.12 and 552,442.35 is: 762,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,122.19 : 1,387,073.12 = 552,442.35 : x
  2. Step 2: Convert to fraction form
    1,005,122.19/1,387,073.12 = 552,442.35/x
  3. Step 3: Cross multiply
    1,005,122.19x = 1,387,073.12 × 552,442.35
  4. Step 4: Simplify right side
    1,005,122.19x = 766,277,931,272.42
  5. Step 5: Solve for x
    x = 766,277,931,272.42/1,005,122.19
  6. Step 6: Final answer
    x = 762,372.91

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Double scale
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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.