Home / 942,521.11-1,403,799.20-937,928.41

Finding the Fourth Proportional to 942,521.11, 1,403,799.20 and 937,928.41

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Solution

The fourth proportional to 942,521.11, 1,403,799.20 and 937,928.41 is: 1,396,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,521.11 : 1,403,799.20 = 937,928.41 : x
  2. Step 2: Convert to fraction form
    942,521.11/1,403,799.20 = 937,928.41/x
  3. Step 3: Cross multiply
    942,521.11x = 1,403,799.20 × 937,928.41
  4. Step 4: Simplify right side
    942,521.11x = 1,316,663,151,615.27
  5. Step 5: Solve for x
    x = 1,316,663,151,615.27/942,521.11
  6. Step 6: Final answer
    x = 1,396,958.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.