Home / 1,520,115.68-2,097,552.95-908,138.92

Finding the Fourth Proportional to 1,520,115.68, 2,097,552.95 and 908,138.92

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Solution

The fourth proportional to 1,520,115.68, 2,097,552.95 and 908,138.92 is: 1,253,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,115.68 : 2,097,552.95 = 908,138.92 : x
  2. Step 2: Convert to fraction form
    1,520,115.68/2,097,552.95 = 908,138.92/x
  3. Step 3: Cross multiply
    1,520,115.68x = 2,097,552.95 × 908,138.92
  4. Step 4: Simplify right side
    1,520,115.68x = 1,904,869,470,655.81
  5. Step 5: Solve for x
    x = 1,904,869,470,655.81/1,520,115.68
  6. Step 6: Final answer
    x = 1,253,108.23

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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.