Home / 1,589,822.30-2,373,964.76-1,261,931.72

Finding the Fourth Proportional to 1,589,822.30, 2,373,964.76 and 1,261,931.72

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Solution

The fourth proportional to 1,589,822.30, 2,373,964.76 and 1,261,931.72 is: 1,884,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,822.30 : 2,373,964.76 = 1,261,931.72 : x
  2. Step 2: Convert to fraction form
    1,589,822.30/2,373,964.76 = 1,261,931.72/x
  3. Step 3: Cross multiply
    1,589,822.30x = 2,373,964.76 × 1,261,931.72
  4. Step 4: Simplify right side
    1,589,822.30x = 2,995,781,432,806.19
  5. Step 5: Solve for x
    x = 2,995,781,432,806.19/1,589,822.30
  6. Step 6: Final answer
    x = 1,884,349.87

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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.