Home / 1,508,279.62-2,081,417.15-855,028.90

Finding the Fourth Proportional to 1,508,279.62, 2,081,417.15 and 855,028.90

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Solution

The fourth proportional to 1,508,279.62, 2,081,417.15 and 855,028.90 is: 1,179,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,279.62 : 2,081,417.15 = 855,028.90 : x
  2. Step 2: Convert to fraction form
    1,508,279.62/2,081,417.15 = 855,028.90/x
  3. Step 3: Cross multiply
    1,508,279.62x = 2,081,417.15 × 855,028.90
  4. Step 4: Simplify right side
    1,508,279.62x = 1,779,671,807,936.12
  5. Step 5: Solve for x
    x = 1,779,671,807,936.12/1,508,279.62
  6. Step 6: Final answer
    x = 1,179,934.93

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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.