Home / 1,350,775.96-1,861,908.06-915,060.76

Finding the Fourth Proportional to 1,350,775.96, 1,861,908.06 and 915,060.76

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Solution

The fourth proportional to 1,350,775.96, 1,861,908.06 and 915,060.76 is: 1,261,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,775.96 : 1,861,908.06 = 915,060.76 : x
  2. Step 2: Convert to fraction form
    1,350,775.96/1,861,908.06 = 915,060.76/x
  3. Step 3: Cross multiply
    1,350,775.96x = 1,861,908.06 × 915,060.76
  4. Step 4: Simplify right side
    1,350,775.96x = 1,703,759,004,433.73
  5. Step 5: Solve for x
    x = 1,703,759,004,433.73/1,350,775.96
  6. Step 6: Final answer
    x = 1,261,318.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.