Home / 896,407.20-1,344,610.80-890,186.40

Finding the Fourth Proportional to 896,407.20, 1,344,610.80 and 890,186.40

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Solution

The fourth proportional to 896,407.20, 1,344,610.80 and 890,186.40 is: 1,335,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,407.20 : 1,344,610.80 = 890,186.40 : x
  2. Step 2: Convert to fraction form
    896,407.20/1,344,610.80 = 890,186.40/x
  3. Step 3: Cross multiply
    896,407.20x = 1,344,610.80 × 890,186.40
  4. Step 4: Simplify right side
    896,407.20x = 1,196,954,247,453.12
  5. Step 5: Solve for x
    x = 1,196,954,247,453.12/896,407.20
  6. Step 6: Final answer
    x = 1,335,279.60

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1.5x scale

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.