Home / 896,207.20-1,344,310.80-889,986.40

Finding the Fourth Proportional to 896,207.20, 1,344,310.80 and 889,986.40

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Solution

The fourth proportional to 896,207.20, 1,344,310.80 and 889,986.40 is: 1,334,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,207.20 : 1,344,310.80 = 889,986.40 : x
  2. Step 2: Convert to fraction form
    896,207.20/1,344,310.80 = 889,986.40/x
  3. Step 3: Cross multiply
    896,207.20x = 1,344,310.80 × 889,986.40
  4. Step 4: Simplify right side
    896,207.20x = 1,196,418,329,373.12
  5. Step 5: Solve for x
    x = 1,196,418,329,373.12/896,207.20
  6. Step 6: Final answer
    x = 1,334,979.60

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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.