Home / 865,712.80-1,298,569.20-832,535.20

Finding the Fourth Proportional to 865,712.80, 1,298,569.20 and 832,535.20

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Solution

The fourth proportional to 865,712.80, 1,298,569.20 and 832,535.20 is: 1,248,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,712.80 : 1,298,569.20 = 832,535.20 : x
  2. Step 2: Convert to fraction form
    865,712.80/1,298,569.20 = 832,535.20/x
  3. Step 3: Cross multiply
    865,712.80x = 1,298,569.20 × 832,535.20
  4. Step 4: Simplify right side
    865,712.80x = 1,081,104,568,635.84
  5. Step 5: Solve for x
    x = 1,081,104,568,635.84/865,712.80
  6. Step 6: Final answer
    x = 1,248,802.80

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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.