Home / 1,147,045.31-1,582,963.18-630,839.13

Finding the Fourth Proportional to 1,147,045.31, 1,582,963.18 and 630,839.13

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Solution

The fourth proportional to 1,147,045.31, 1,582,963.18 and 630,839.13 is: 870,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,045.31 : 1,582,963.18 = 630,839.13 : x
  2. Step 2: Convert to fraction form
    1,147,045.31/1,582,963.18 = 630,839.13/x
  3. Step 3: Cross multiply
    1,147,045.31x = 1,582,963.18 × 630,839.13
  4. Step 4: Simplify right side
    1,147,045.31x = 998,595,115,293.23
  5. Step 5: Solve for x
    x = 998,595,115,293.23/1,147,045.31
  6. Step 6: Final answer
    x = 870,580.36

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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.