Home / 870,187.20-1,303,552.80-766,276.80

Finding the Fourth Proportional to 870,187.20, 1,303,552.80 and 766,276.80

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Solution

The fourth proportional to 870,187.20, 1,303,552.80 and 766,276.80 is: 1,147,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,187.20 : 1,303,552.80 = 766,276.80 : x
  2. Step 2: Convert to fraction form
    870,187.20/1,303,552.80 = 766,276.80/x
  3. Step 3: Cross multiply
    870,187.20x = 1,303,552.80 × 766,276.80
  4. Step 4: Simplify right side
    870,187.20x = 998,882,268,215.04
  5. Step 5: Solve for x
    x = 998,882,268,215.04/870,187.20
  6. Step 6: Final answer
    x = 1,147,893.54

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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.