Home / 886,412.80-1,329,619.20-746,444.80

Finding the Fourth Proportional to 886,412.80, 1,329,619.20 and 746,444.80

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Solution

The fourth proportional to 886,412.80, 1,329,619.20 and 746,444.80 is: 1,119,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,412.80 : 1,329,619.20 = 746,444.80 : x
  2. Step 2: Convert to fraction form
    886,412.80/1,329,619.20 = 746,444.80/x
  3. Step 3: Cross multiply
    886,412.80x = 1,329,619.20 × 746,444.80
  4. Step 4: Simplify right side
    886,412.80x = 992,487,337,820.16
  5. Step 5: Solve for x
    x = 992,487,337,820.16/886,412.80
  6. Step 6: Final answer
    x = 1,119,667.20

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Similar ratio
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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.