Home / 1,721,217.60-2,375,267.19-946,831.78

Finding the Fourth Proportional to 1,721,217.60, 2,375,267.19 and 946,831.78

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Solution

The fourth proportional to 1,721,217.60, 2,375,267.19 and 946,831.78 is: 1,306,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,217.60 : 2,375,267.19 = 946,831.78 : x
  2. Step 2: Convert to fraction form
    1,721,217.60/2,375,267.19 = 946,831.78/x
  3. Step 3: Cross multiply
    1,721,217.60x = 2,375,267.19 × 946,831.78
  4. Step 4: Simplify right side
    1,721,217.60x = 2,248,978,460,901.76
  5. Step 5: Solve for x
    x = 2,248,978,460,901.76/1,721,217.60
  6. Step 6: Final answer
    x = 1,306,620.65

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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.