Home / 1,296,937.28-1,789,801.80-716,159.12

Finding the Fourth Proportional to 1,296,937.28, 1,789,801.80 and 716,159.12

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Solution

The fourth proportional to 1,296,937.28, 1,789,801.80 and 716,159.12 is: 988,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,937.28 : 1,789,801.80 = 716,159.12 : x
  2. Step 2: Convert to fraction form
    1,296,937.28/1,789,801.80 = 716,159.12/x
  3. Step 3: Cross multiply
    1,296,937.28x = 1,789,801.80 × 716,159.12
  4. Step 4: Simplify right side
    1,296,937.28x = 1,281,782,882,062.42
  5. Step 5: Solve for x
    x = 1,281,782,882,062.42/1,296,937.28
  6. Step 6: Final answer
    x = 988,315.24

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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.