Home / 1,302,287.28-1,956,425.16-918,918.72

Finding the Fourth Proportional to 1,302,287.28, 1,956,425.16 and 918,918.72

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Solution

The fourth proportional to 1,302,287.28, 1,956,425.16 and 918,918.72 is: 1,380,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,287.28 : 1,956,425.16 = 918,918.72 : x
  2. Step 2: Convert to fraction form
    1,302,287.28/1,956,425.16 = 918,918.72/x
  3. Step 3: Cross multiply
    1,302,287.28x = 1,956,425.16 × 918,918.72
  4. Step 4: Simplify right side
    1,302,287.28x = 1,797,795,703,803.00
  5. Step 5: Solve for x
    x = 1,797,795,703,803.00/1,302,287.28
  6. Step 6: Final answer
    x = 1,380,490.87

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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.