Home / 1,250,439.76-1,724,654.70-1,076,306.32

Finding the Fourth Proportional to 1,250,439.76, 1,724,654.70 and 1,076,306.32

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Solution

The fourth proportional to 1,250,439.76, 1,724,654.70 and 1,076,306.32 is: 1,484,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,439.76 : 1,724,654.70 = 1,076,306.32 : x
  2. Step 2: Convert to fraction form
    1,250,439.76/1,724,654.70 = 1,076,306.32/x
  3. Step 3: Cross multiply
    1,250,439.76x = 1,724,654.70 × 1,076,306.32
  4. Step 4: Simplify right side
    1,250,439.76x = 1,856,256,745,882.34
  5. Step 5: Solve for x
    x = 1,856,256,745,882.34/1,250,439.76
  6. Step 6: Final answer
    x = 1,484,483.14

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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.