Home / 917,819.48-1,266,149.40-595,630.64

Finding the Fourth Proportional to 917,819.48, 1,266,149.40 and 595,630.64

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Solution

The fourth proportional to 917,819.48, 1,266,149.40 and 595,630.64 is: 821,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,819.48 : 1,266,149.40 = 595,630.64 : x
  2. Step 2: Convert to fraction form
    917,819.48/1,266,149.40 = 595,630.64/x
  3. Step 3: Cross multiply
    917,819.48x = 1,266,149.40 × 595,630.64
  4. Step 4: Simplify right side
    917,819.48x = 754,157,377,457.62
  5. Step 5: Solve for x
    x = 754,157,377,457.62/917,819.48
  6. Step 6: Final answer
    x = 821,683.78

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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.