Home / 1,002,427.20-1,503,809.28-497,013.12

Finding the Fourth Proportional to 1,002,427.20, 1,503,809.28 and 497,013.12

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Solution

The fourth proportional to 1,002,427.20, 1,503,809.28 and 497,013.12 is: 745,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,427.20 : 1,503,809.28 = 497,013.12 : x
  2. Step 2: Convert to fraction form
    1,002,427.20/1,503,809.28 = 497,013.12/x
  3. Step 3: Cross multiply
    1,002,427.20x = 1,503,809.28 × 497,013.12
  4. Step 4: Simplify right side
    1,002,427.20x = 747,412,942,137.75
  5. Step 5: Solve for x
    x = 747,412,942,137.75/1,002,427.20
  6. Step 6: Final answer
    x = 745,603.21

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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.