Home / 1,218,741.40-1,828,282.20-508,606.66

Finding the Fourth Proportional to 1,218,741.40, 1,828,282.20 and 508,606.66

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Solution

The fourth proportional to 1,218,741.40, 1,828,282.20 and 508,606.66 is: 762,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,741.40 : 1,828,282.20 = 508,606.66 : x
  2. Step 2: Convert to fraction form
    1,218,741.40/1,828,282.20 = 508,606.66/x
  3. Step 3: Cross multiply
    1,218,741.40x = 1,828,282.20 × 508,606.66
  4. Step 4: Simplify right side
    1,218,741.40x = 929,876,503,279.45
  5. Step 5: Solve for x
    x = 929,876,503,279.45/1,218,741.40
  6. Step 6: Final answer
    x = 762,980.98

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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.