Home / 1,146,872.18-1,582,724.20-630,665.46

Finding the Fourth Proportional to 1,146,872.18, 1,582,724.20 and 630,665.46

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Solution

The fourth proportional to 1,146,872.18, 1,582,724.20 and 630,665.46 is: 870,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,872.18 : 1,582,724.20 = 630,665.46 : x
  2. Step 2: Convert to fraction form
    1,146,872.18/1,582,724.20 = 630,665.46/x
  3. Step 3: Cross multiply
    1,146,872.18x = 1,582,724.20 × 630,665.46
  4. Step 4: Simplify right side
    1,146,872.18x = 998,169,485,646.13
  5. Step 5: Solve for x
    x = 998,169,485,646.13/1,146,872.18
  6. Step 6: Final answer
    x = 870,340.66

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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.