Home / 1,513,389.20-2,087,296.13-969,575.60

Finding the Fourth Proportional to 1,513,389.20, 2,087,296.13 and 969,575.60

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Solution

The fourth proportional to 1,513,389.20, 2,087,296.13 and 969,575.60 is: 1,337,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,389.20 : 2,087,296.13 = 969,575.60 : x
  2. Step 2: Convert to fraction form
    1,513,389.20/2,087,296.13 = 969,575.60/x
  3. Step 3: Cross multiply
    1,513,389.20x = 2,087,296.13 × 969,575.60
  4. Step 4: Simplify right side
    1,513,389.20x = 2,023,791,382,338.07
  5. Step 5: Solve for x
    x = 2,023,791,382,338.07/1,513,389.20
  6. Step 6: Final answer
    x = 1,337,257.72

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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.