Home / 1,098,775.87-1,648,419.40-340,577.11

Finding the Fourth Proportional to 1,098,775.87, 1,648,419.40 and 340,577.11

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Solution

The fourth proportional to 1,098,775.87, 1,648,419.40 and 340,577.11 is: 510,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,775.87 : 1,648,419.40 = 340,577.11 : x
  2. Step 2: Convert to fraction form
    1,098,775.87/1,648,419.40 = 340,577.11/x
  3. Step 3: Cross multiply
    1,098,775.87x = 1,648,419.40 × 340,577.11
  4. Step 4: Simplify right side
    1,098,775.87x = 561,413,915,319.93
  5. Step 5: Solve for x
    x = 561,413,915,319.93/1,098,775.87
  6. Step 6: Final answer
    x = 510,944.89

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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.