Home / 1,719,463.20-2,575,695.60-878,488.80

Finding the Fourth Proportional to 1,719,463.20, 2,575,695.60 and 878,488.80

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Solution

The fourth proportional to 1,719,463.20, 2,575,695.60 and 878,488.80 is: 1,315,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,463.20 : 2,575,695.60 = 878,488.80 : x
  2. Step 2: Convert to fraction form
    1,719,463.20/2,575,695.60 = 878,488.80/x
  3. Step 3: Cross multiply
    1,719,463.20x = 2,575,695.60 × 878,488.80
  4. Step 4: Simplify right side
    1,719,463.20x = 2,262,719,736,809.28
  5. Step 5: Solve for x
    x = 2,262,719,736,809.28/1,719,463.20
  6. Step 6: Final answer
    x = 1,315,945.43

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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.