Home / 1,603,069.39-2,403,279.55-749,721.12

Finding the Fourth Proportional to 1,603,069.39, 2,403,279.55 and 749,721.12

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Solution

The fourth proportional to 1,603,069.39, 2,403,279.55 and 749,721.12 is: 1,123,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,069.39 : 2,403,279.55 = 749,721.12 : x
  2. Step 2: Convert to fraction form
    1,603,069.39/2,403,279.55 = 749,721.12/x
  3. Step 3: Cross multiply
    1,603,069.39x = 2,403,279.55 × 749,721.12
  4. Step 4: Simplify right side
    1,603,069.39x = 1,801,789,435,899.10
  5. Step 5: Solve for x
    x = 1,801,789,435,899.10/1,603,069.39
  6. Step 6: Final answer
    x = 1,123,962.22

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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.