Home / 1,520,032.07-2,278,760.35-666,456.83

Finding the Fourth Proportional to 1,520,032.07, 2,278,760.35 and 666,456.83

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Solution

The fourth proportional to 1,520,032.07, 2,278,760.35 and 666,456.83 is: 999,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,032.07 : 2,278,760.35 = 666,456.83 : x
  2. Step 2: Convert to fraction form
    1,520,032.07/2,278,760.35 = 666,456.83/x
  3. Step 3: Cross multiply
    1,520,032.07x = 2,278,760.35 × 666,456.83
  4. Step 4: Simplify right side
    1,520,032.07x = 1,518,695,386,130.75
  5. Step 5: Solve for x
    x = 1,518,695,386,130.75/1,520,032.07
  6. Step 6: Final answer
    x = 999,120.62

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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.