Home / 1,146,610.93-1,582,340.78-630,387.20

Finding the Fourth Proportional to 1,146,610.93, 1,582,340.78 and 630,387.20

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Solution

The fourth proportional to 1,146,610.93, 1,582,340.78 and 630,387.20 is: 869,944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,610.93 : 1,582,340.78 = 630,387.20 : x
  2. Step 2: Convert to fraction form
    1,146,610.93/1,582,340.78 = 630,387.20/x
  3. Step 3: Cross multiply
    1,146,610.93x = 1,582,340.78 × 630,387.20
  4. Step 4: Simplify right side
    1,146,610.93x = 997,487,367,414.28
  5. Step 5: Solve for x
    x = 997,487,367,414.28/1,146,610.93
  6. Step 6: Final answer
    x = 869,944.06

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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.