Home / 1,520,115.93-2,097,553.29-908,139.17

Finding the Fourth Proportional to 1,520,115.93, 2,097,553.29 and 908,139.17

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Solution

The fourth proportional to 1,520,115.93, 2,097,553.29 and 908,139.17 is: 1,253,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,115.93 : 2,097,553.29 = 908,139.17 : x
  2. Step 2: Convert to fraction form
    1,520,115.93/2,097,553.29 = 908,139.17/x
  3. Step 3: Cross multiply
    1,520,115.93x = 2,097,553.29 × 908,139.17
  4. Step 4: Simplify right side
    1,520,115.93x = 1,904,870,293,323.60
  5. Step 5: Solve for x
    x = 1,904,870,293,323.60/1,520,115.93
  6. Step 6: Final answer
    x = 1,253,108.57

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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.