Home / 1,098,775.56-1,648,420.38-340,577.32

Finding the Fourth Proportional to 1,098,775.56, 1,648,420.38 and 340,577.32

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Solution

The fourth proportional to 1,098,775.56, 1,648,420.38 and 340,577.32 is: 510,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,775.56 : 1,648,420.38 = 340,577.32 : x
  2. Step 2: Convert to fraction form
    1,098,775.56/1,648,420.38 = 340,577.32/x
  3. Step 3: Cross multiply
    1,098,775.56x = 1,648,420.38 × 340,577.32
  4. Step 4: Simplify right side
    1,098,775.56x = 561,414,595,253.78
  5. Step 5: Solve for x
    x = 561,414,595,253.78/1,098,775.56
  6. Step 6: Final answer
    x = 510,945.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.