Home / 970,723.20-1,456,084.80-915,610.80

Finding the Fourth Proportional to 970,723.20, 1,456,084.80 and 915,610.80

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Solution

The fourth proportional to 970,723.20, 1,456,084.80 and 915,610.80 is: 1,373,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,723.20 : 1,456,084.80 = 915,610.80 : x
  2. Step 2: Convert to fraction form
    970,723.20/1,456,084.80 = 915,610.80/x
  3. Step 3: Cross multiply
    970,723.20x = 1,456,084.80 × 915,610.80
  4. Step 4: Simplify right side
    970,723.20x = 1,333,206,968,595.84
  5. Step 5: Solve for x
    x = 1,333,206,968,595.84/970,723.20
  6. Step 6: Final answer
    x = 1,373,416.20

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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.