Home / 1,218,722.31-1,828,253.61-508,587.66

Finding the Fourth Proportional to 1,218,722.31, 1,828,253.61 and 508,587.66

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Solution

The fourth proportional to 1,218,722.31, 1,828,253.61 and 508,587.66 is: 762,952.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,722.31 : 1,828,253.61 = 508,587.66 : x
  2. Step 2: Convert to fraction form
    1,218,722.31/1,828,253.61 = 508,587.66/x
  3. Step 3: Cross multiply
    1,218,722.31x = 1,828,253.61 × 508,587.66
  4. Step 4: Simplify right side
    1,218,722.31x = 929,827,225,396.45
  5. Step 5: Solve for x
    x = 929,827,225,396.45/1,218,722.31
  6. Step 6: Final answer
    x = 762,952.49

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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.