Home / 1,005,564.27-1,387,649.76-570,021.87

Finding the Fourth Proportional to 1,005,564.27, 1,387,649.76 and 570,021.87

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Solution

The fourth proportional to 1,005,564.27, 1,387,649.76 and 570,021.87 is: 786,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,564.27 : 1,387,649.76 = 570,021.87 : x
  2. Step 2: Convert to fraction form
    1,005,564.27/1,387,649.76 = 570,021.87/x
  3. Step 3: Cross multiply
    1,005,564.27x = 1,387,649.76 × 570,021.87
  4. Step 4: Simplify right side
    1,005,564.27x = 790,990,711,100.25
  5. Step 5: Solve for x
    x = 790,990,711,100.25/1,005,564.27
  6. Step 6: Final answer
    x = 786,613.78

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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.