Home / 1,001,021.07-1,381,402.22-542,125.10

Finding the Fourth Proportional to 1,001,021.07, 1,381,402.22 and 542,125.10

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Solution

The fourth proportional to 1,001,021.07, 1,381,402.22 and 542,125.10 is: 748,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,021.07 : 1,381,402.22 = 542,125.10 : x
  2. Step 2: Convert to fraction form
    1,001,021.07/1,381,402.22 = 542,125.10/x
  3. Step 3: Cross multiply
    1,001,021.07x = 1,381,402.22 × 542,125.10
  4. Step 4: Simplify right side
    1,001,021.07x = 748,892,807,040.09
  5. Step 5: Solve for x
    x = 748,892,807,040.09/1,001,021.07
  6. Step 6: Final answer
    x = 748,128.92

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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.