Home / 1,123,725-1,685,589.12-458,877

Finding the Fourth Proportional to 1,123,725, 1,685,589.12 and 458,877

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Solution

The fourth proportional to 1,123,725, 1,685,589.12 and 458,877 is: 688,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,725 : 1,685,589.12 = 458,877 : x
  2. Step 2: Convert to fraction form
    1,123,725/1,685,589.12 = 458,877/x
  3. Step 3: Cross multiply
    1,123,725x = 1,685,589.12 × 458,877
  4. Step 4: Simplify right side
    1,123,725x = 773,478,078,618.24
  5. Step 5: Solve for x
    x = 773,478,078,618.24/1,123,725
  6. Step 6: Final answer
    x = 688,316.16

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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.