Home / 972,015.15-1,458,022.73-771,248.55

Finding the Fourth Proportional to 972,015.15, 1,458,022.73 and 771,248.55

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Solution

The fourth proportional to 972,015.15, 1,458,022.73 and 771,248.55 is: 1,156,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,015.15 : 1,458,022.73 = 771,248.55 : x
  2. Step 2: Convert to fraction form
    972,015.15/1,458,022.73 = 771,248.55/x
  3. Step 3: Cross multiply
    972,015.15x = 1,458,022.73 × 771,248.55
  4. Step 4: Simplify right side
    972,015.15x = 1,124,497,912,523.30
  5. Step 5: Solve for x
    x = 1,124,497,912,523.30/972,015.15
  6. Step 6: Final answer
    x = 1,156,872.83

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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.