Home / 1,047,832.04-1,445,378.10-639,747.56

Finding the Fourth Proportional to 1,047,832.04, 1,445,378.10 and 639,747.56

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Solution

The fourth proportional to 1,047,832.04, 1,445,378.10 and 639,747.56 is: 882,466.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,832.04 : 1,445,378.10 = 639,747.56 : x
  2. Step 2: Convert to fraction form
    1,047,832.04/1,445,378.10 = 639,747.56/x
  3. Step 3: Cross multiply
    1,047,832.04x = 1,445,378.10 × 639,747.56
  4. Step 4: Simplify right side
    1,047,832.04x = 924,677,112,752.44
  5. Step 5: Solve for x
    x = 924,677,112,752.44/1,047,832.04
  6. Step 6: Final answer
    x = 882,466.92

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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.