Home / 1,488,077.54-2,231,581.08-515,177.64

Finding the Fourth Proportional to 1,488,077.54, 2,231,581.08 and 515,177.64

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Solution

The fourth proportional to 1,488,077.54, 2,231,581.08 and 515,177.64 is: 772,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,077.54 : 2,231,581.08 = 515,177.64 : x
  2. Step 2: Convert to fraction form
    1,488,077.54/2,231,581.08 = 515,177.64/x
  3. Step 3: Cross multiply
    1,488,077.54x = 2,231,581.08 × 515,177.64
  4. Step 4: Simplify right side
    1,488,077.54x = 1,149,660,674,263.05
  5. Step 5: Solve for x
    x = 1,149,660,674,263.05/1,488,077.54
  6. Step 6: Final answer
    x = 772,581.16

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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.