Home / 915,632.55-1,373,448.83-817,654.95

Finding the Fourth Proportional to 915,632.55, 1,373,448.83 and 817,654.95

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Solution

The fourth proportional to 915,632.55, 1,373,448.83 and 817,654.95 is: 1,226,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,632.55 : 1,373,448.83 = 817,654.95 : x
  2. Step 2: Convert to fraction form
    915,632.55/1,373,448.83 = 817,654.95/x
  3. Step 3: Cross multiply
    915,632.55x = 1,373,448.83 × 817,654.95
  4. Step 4: Simplify right side
    915,632.55x = 1,123,007,230,332.93
  5. Step 5: Solve for x
    x = 1,123,007,230,332.93/915,632.55
  6. Step 6: Final answer
    x = 1,226,482.43

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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.