Home / 1,047,830.04-1,445,375.34-639,745.56

Finding the Fourth Proportional to 1,047,830.04, 1,445,375.34 and 639,745.56

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Solution

The fourth proportional to 1,047,830.04, 1,445,375.34 and 639,745.56 is: 882,464.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,830.04 : 1,445,375.34 = 639,745.56 : x
  2. Step 2: Convert to fraction form
    1,047,830.04/1,445,375.34 = 639,745.56/x
  3. Step 3: Cross multiply
    1,047,830.04x = 1,445,375.34 × 639,745.56
  4. Step 4: Simplify right side
    1,047,830.04x = 924,672,456,298.49
  5. Step 5: Solve for x
    x = 924,672,456,298.49/1,047,830.04
  6. Step 6: Final answer
    x = 882,464.16

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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.