Home / 1,307,956.95-1,961,132.54-508,304.79

Finding the Fourth Proportional to 1,307,956.95, 1,961,132.54 and 508,304.79

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Solution

The fourth proportional to 1,307,956.95, 1,961,132.54 and 508,304.79 is: 762,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,956.95 : 1,961,132.54 = 508,304.79 : x
  2. Step 2: Convert to fraction form
    1,307,956.95/1,961,132.54 = 508,304.79/x
  3. Step 3: Cross multiply
    1,307,956.95x = 1,961,132.54 × 508,304.79
  4. Step 4: Simplify right side
    1,307,956.95x = 996,853,061,365.34
  5. Step 5: Solve for x
    x = 996,853,061,365.34/1,307,956.95
  6. Step 6: Final answer
    x = 762,145.16

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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.