Home / 942,171.18-1,412,721.38-643,014.18

Finding the Fourth Proportional to 942,171.18, 1,412,721.38 and 643,014.18

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Solution

The fourth proportional to 942,171.18, 1,412,721.38 and 643,014.18 is: 964,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,171.18 : 1,412,721.38 = 643,014.18 : x
  2. Step 2: Convert to fraction form
    942,171.18/1,412,721.38 = 643,014.18/x
  3. Step 3: Cross multiply
    942,171.18x = 1,412,721.38 × 643,014.18
  4. Step 4: Simplify right side
    942,171.18x = 908,399,876,514.10
  5. Step 5: Solve for x
    x = 908,399,876,514.10/942,171.18
  6. Step 6: Final answer
    x = 964,155.87

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1.5x scale

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.