Home / 870,188.20-1,303,554.30-766,277.80

Finding the Fourth Proportional to 870,188.20, 1,303,554.30 and 766,277.80

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Solution

The fourth proportional to 870,188.20, 1,303,554.30 and 766,277.80 is: 1,147,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,188.20 : 1,303,554.30 = 766,277.80 : x
  2. Step 2: Convert to fraction form
    870,188.20/1,303,554.30 = 766,277.80/x
  3. Step 3: Cross multiply
    870,188.20x = 1,303,554.30 × 766,277.80
  4. Step 4: Simplify right side
    870,188.20x = 998,884,721,184.54
  5. Step 5: Solve for x
    x = 998,884,721,184.54/870,188.20
  6. Step 6: Final answer
    x = 1,147,895.04

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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.