Home / 1,121,332.32-1,549,462.77-798,481.90

Finding the Fourth Proportional to 1,121,332.32, 1,549,462.77 and 798,481.90

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Solution

The fourth proportional to 1,121,332.32, 1,549,462.77 and 798,481.90 is: 1,103,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,332.32 : 1,549,462.77 = 798,481.90 : x
  2. Step 2: Convert to fraction form
    1,121,332.32/1,549,462.77 = 798,481.90/x
  3. Step 3: Cross multiply
    1,121,332.32x = 1,549,462.77 × 798,481.90
  4. Step 4: Simplify right side
    1,121,332.32x = 1,237,217,976,568.86
  5. Step 5: Solve for x
    x = 1,237,217,976,568.86/1,121,332.32
  6. Step 6: Final answer
    x = 1,103,346.40

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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.