Home / 937,387.40-1,406,081.10-878,338.40

Finding the Fourth Proportional to 937,387.40, 1,406,081.10 and 878,338.40

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Solution

The fourth proportional to 937,387.40, 1,406,081.10 and 878,338.40 is: 1,317,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,387.40 : 1,406,081.10 = 878,338.40 : x
  2. Step 2: Convert to fraction form
    937,387.40/1,406,081.10 = 878,338.40/x
  3. Step 3: Cross multiply
    937,387.40x = 1,406,081.10 × 878,338.40
  4. Step 4: Simplify right side
    937,387.40x = 1,235,015,023,644.24
  5. Step 5: Solve for x
    x = 1,235,015,023,644.24/937,387.40
  6. Step 6: Final answer
    x = 1,317,507.60

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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.