Home / 1,531,721.04-2,297,830.92-452,342.78

Finding the Fourth Proportional to 1,531,721.04, 2,297,830.92 and 452,342.78

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Solution

The fourth proportional to 1,531,721.04, 2,297,830.92 and 452,342.78 is: 678,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,721.04 : 2,297,830.92 = 452,342.78 : x
  2. Step 2: Convert to fraction form
    1,531,721.04/2,297,830.92 = 452,342.78/x
  3. Step 3: Cross multiply
    1,531,721.04x = 2,297,830.92 × 452,342.78
  4. Step 4: Simplify right side
    1,531,721.04x = 1,039,407,221,754.18
  5. Step 5: Solve for x
    x = 1,039,407,221,754.18/1,531,721.04
  6. Step 6: Final answer
    x = 678,587.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.