Home / 941,712.80-1,412,569.20-817,296.80

Finding the Fourth Proportional to 941,712.80, 1,412,569.20 and 817,296.80

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Solution

The fourth proportional to 941,712.80, 1,412,569.20 and 817,296.80 is: 1,225,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,712.80 : 1,412,569.20 = 817,296.80 : x
  2. Step 2: Convert to fraction form
    941,712.80/1,412,569.20 = 817,296.80/x
  3. Step 3: Cross multiply
    941,712.80x = 1,412,569.20 × 817,296.80
  4. Step 4: Simplify right side
    941,712.80x = 1,154,488,286,938.56
  5. Step 5: Solve for x
    x = 1,154,488,286,938.56/941,712.80
  6. Step 6: Final answer
    x = 1,225,945.20

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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.