Home / 1,300,459.12-1,794,636.22-727,508.86

Finding the Fourth Proportional to 1,300,459.12, 1,794,636.22 and 727,508.86

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Solution

The fourth proportional to 1,300,459.12, 1,794,636.22 and 727,508.86 is: 1,003,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,459.12 : 1,794,636.22 = 727,508.86 : x
  2. Step 2: Convert to fraction form
    1,300,459.12/1,794,636.22 = 727,508.86/x
  3. Step 3: Cross multiply
    1,300,459.12x = 1,794,636.22 × 727,508.86
  4. Step 4: Simplify right side
    1,300,459.12x = 1,305,613,750,526.91
  5. Step 5: Solve for x
    x = 1,305,613,750,526.91/1,300,459.12
  6. Step 6: Final answer
    x = 1,003,963.70

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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.