Home / 1,516,279.50-2,090,759.85-1,239,774.66

Finding the Fourth Proportional to 1,516,279.50, 2,090,759.85 and 1,239,774.66

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Solution

The fourth proportional to 1,516,279.50, 2,090,759.85 and 1,239,774.66 is: 1,709,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,279.50 : 2,090,759.85 = 1,239,774.66 : x
  2. Step 2: Convert to fraction form
    1,516,279.50/2,090,759.85 = 1,239,774.66/x
  3. Step 3: Cross multiply
    1,516,279.50x = 2,090,759.85 × 1,239,774.66
  4. Step 4: Simplify right side
    1,516,279.50x = 2,592,071,082,175.40
  5. Step 5: Solve for x
    x = 2,592,071,082,175.40/1,516,279.50
  6. Step 6: Final answer
    x = 1,709,494.25

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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.