Home / 1,007,532.96-1,390,397.52-554,824.80

Finding the Fourth Proportional to 1,007,532.96, 1,390,397.52 and 554,824.80

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Solution

The fourth proportional to 1,007,532.96, 1,390,397.52 and 554,824.80 is: 765,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,532.96 : 1,390,397.52 = 554,824.80 : x
  2. Step 2: Convert to fraction form
    1,007,532.96/1,390,397.52 = 554,824.80/x
  3. Step 3: Cross multiply
    1,007,532.96x = 1,390,397.52 × 554,824.80
  4. Step 4: Simplify right side
    1,007,532.96x = 771,427,025,954.50
  5. Step 5: Solve for x
    x = 771,427,025,954.50/1,007,532.96
  6. Step 6: Final answer
    x = 765,659.34

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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.