Home / 1,778,310.17-2,667,472.25-430,470.61

Finding the Fourth Proportional to 1,778,310.17, 2,667,472.25 and 430,470.61

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Solution

The fourth proportional to 1,778,310.17, 2,667,472.25 and 430,470.61 is: 645,707.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,310.17 : 2,667,472.25 = 430,470.61 : x
  2. Step 2: Convert to fraction form
    1,778,310.17/2,667,472.25 = 430,470.61/x
  3. Step 3: Cross multiply
    1,778,310.17x = 2,667,472.25 × 430,470.61
  4. Step 4: Simplify right side
    1,778,310.17x = 1,148,268,406,615.57
  5. Step 5: Solve for x
    x = 1,148,268,406,615.57/1,778,310.17
  6. Step 6: Final answer
    x = 645,707.61

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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.