Home / 1,338,438.10-2,008,337.55-889,471.30

Finding the Fourth Proportional to 1,338,438.10, 2,008,337.55 and 889,471.30

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Solution

The fourth proportional to 1,338,438.10, 2,008,337.55 and 889,471.30 is: 1,334,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,438.10 : 2,008,337.55 = 889,471.30 : x
  2. Step 2: Convert to fraction form
    1,338,438.10/2,008,337.55 = 889,471.30/x
  3. Step 3: Cross multiply
    1,338,438.10x = 2,008,337.55 × 889,471.30
  4. Step 4: Simplify right side
    1,338,438.10x = 1,786,358,611,437.32
  5. Step 5: Solve for x
    x = 1,786,358,611,437.32/1,338,438.10
  6. Step 6: Final answer
    x = 1,334,659.12

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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.