Home / 1,531,721.01-2,297,580.43-689,288.61

Finding the Fourth Proportional to 1,531,721.01, 2,297,580.43 and 689,288.61

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Solution

The fourth proportional to 1,531,721.01, 2,297,580.43 and 689,288.61 is: 1,033,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,721.01 : 2,297,580.43 = 689,288.61 : x
  2. Step 2: Convert to fraction form
    1,531,721.01/2,297,580.43 = 689,288.61/x
  3. Step 3: Cross multiply
    1,531,721.01x = 2,297,580.43 × 689,288.61
  4. Step 4: Simplify right side
    1,531,721.01x = 1,583,696,020,957.90
  5. Step 5: Solve for x
    x = 1,583,696,020,957.90/1,531,721.01
  6. Step 6: Final answer
    x = 1,033,932.43

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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.