Home / 1,307,851.20-1,960,318.80-508,867.20

Finding the Fourth Proportional to 1,307,851.20, 1,960,318.80 and 508,867.20

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Solution

The fourth proportional to 1,307,851.20, 1,960,318.80 and 508,867.20 is: 762,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,851.20 : 1,960,318.80 = 508,867.20 : x
  2. Step 2: Convert to fraction form
    1,307,851.20/1,960,318.80 = 508,867.20/x
  3. Step 3: Cross multiply
    1,307,851.20x = 1,960,318.80 × 508,867.20
  4. Step 4: Simplify right side
    1,307,851.20x = 997,541,938,863.36
  5. Step 5: Solve for x
    x = 997,541,938,863.36/1,307,851.20
  6. Step 6: Final answer
    x = 762,733.51

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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.