Home / 1,343,312.80-2,016,070.80-1,332,815.20

Finding the Fourth Proportional to 1,343,312.80, 2,016,070.80 and 1,332,815.20

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Solution

The fourth proportional to 1,343,312.80, 2,016,070.80 and 1,332,815.20 is: 2,000,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,312.80 : 2,016,070.80 = 1,332,815.20 : x
  2. Step 2: Convert to fraction form
    1,343,312.80/2,016,070.80 = 1,332,815.20/x
  3. Step 3: Cross multiply
    1,343,312.80x = 2,016,070.80 × 1,332,815.20
  4. Step 4: Simplify right side
    1,343,312.80x = 2,687,049,806,516.16
  5. Step 5: Solve for x
    x = 2,687,049,806,516.16/1,343,312.80
  6. Step 6: Final answer
    x = 2,000,315.79

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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.