Home / 1,146,712.20-1,582,325.32-630,380.96

Finding the Fourth Proportional to 1,146,712.20, 1,582,325.32 and 630,380.96

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Solution

The fourth proportional to 1,146,712.20, 1,582,325.32 and 630,380.96 is: 869,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,712.20 : 1,582,325.32 = 630,380.96 : x
  2. Step 2: Convert to fraction form
    1,146,712.20/1,582,325.32 = 630,380.96/x
  3. Step 3: Cross multiply
    1,146,712.20x = 1,582,325.32 × 630,380.96
  4. Step 4: Simplify right side
    1,146,712.20x = 997,467,754,253.91
  5. Step 5: Solve for x
    x = 997,467,754,253.91/1,146,712.20
  6. Step 6: Final answer
    x = 869,850.13

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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.