Home / 1,527,662.62-2,291,479.35-928,789.12

Finding the Fourth Proportional to 1,527,662.62, 2,291,479.35 and 928,789.12

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Solution

The fourth proportional to 1,527,662.62, 2,291,479.35 and 928,789.12 is: 1,393,174.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,662.62 : 2,291,479.35 = 928,789.12 : x
  2. Step 2: Convert to fraction form
    1,527,662.62/2,291,479.35 = 928,789.12/x
  3. Step 3: Cross multiply
    1,527,662.62x = 2,291,479.35 × 928,789.12
  4. Step 4: Simplify right side
    1,527,662.62x = 2,128,301,088,984.67
  5. Step 5: Solve for x
    x = 2,128,301,088,984.67/1,527,662.62
  6. Step 6: Final answer
    x = 1,393,174.82

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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.