Home / 1,218,467.50-1,827,870.77-508,332.20

Finding the Fourth Proportional to 1,218,467.50, 1,827,870.77 and 508,332.20

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Solution

The fourth proportional to 1,218,467.50, 1,827,870.77 and 508,332.20 is: 762,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,467.50 : 1,827,870.77 = 508,332.20 : x
  2. Step 2: Convert to fraction form
    1,218,467.50/1,827,870.77 = 508,332.20/x
  3. Step 3: Cross multiply
    1,218,467.50x = 1,827,870.77 × 508,332.20
  4. Step 4: Simplify right side
    1,218,467.50x = 929,165,561,961.27
  5. Step 5: Solve for x
    x = 929,165,561,961.27/1,218,467.50
  6. Step 6: Final answer
    x = 762,569.02

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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.