Home / 1,338,437.10-2,008,336.05-889,470.30

Finding the Fourth Proportional to 1,338,437.10, 2,008,336.05 and 889,470.30

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Solution

The fourth proportional to 1,338,437.10, 2,008,336.05 and 889,470.30 is: 1,334,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,437.10 : 2,008,336.05 = 889,470.30 : x
  2. Step 2: Convert to fraction form
    1,338,437.10/2,008,336.05 = 889,470.30/x
  3. Step 3: Cross multiply
    1,338,437.10x = 2,008,336.05 × 889,470.30
  4. Step 4: Simplify right side
    1,338,437.10x = 1,786,355,268,894.32
  5. Step 5: Solve for x
    x = 1,786,355,268,894.32/1,338,437.10
  6. Step 6: Final answer
    x = 1,334,657.62

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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.