Home / 1,304,042.40-1,953,439.20-878,889.60

Finding the Fourth Proportional to 1,304,042.40, 1,953,439.20 and 878,889.60

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Solution

The fourth proportional to 1,304,042.40, 1,953,439.20 and 878,889.60 is: 1,316,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,042.40 : 1,953,439.20 = 878,889.60 : x
  2. Step 2: Convert to fraction form
    1,304,042.40/1,953,439.20 = 878,889.60/x
  3. Step 3: Cross multiply
    1,304,042.40x = 1,953,439.20 × 878,889.60
  4. Step 4: Simplify right side
    1,304,042.40x = 1,716,857,397,112.32
  5. Step 5: Solve for x
    x = 1,716,857,397,112.32/1,304,042.40
  6. Step 6: Final answer
    x = 1,316,565.62

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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.