Home / 1,637,344.80-2,456,017.20-1,217,440.80

Finding the Fourth Proportional to 1,637,344.80, 2,456,017.20 and 1,217,440.80

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Solution

The fourth proportional to 1,637,344.80, 2,456,017.20 and 1,217,440.80 is: 1,826,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,344.80 : 2,456,017.20 = 1,217,440.80 : x
  2. Step 2: Convert to fraction form
    1,637,344.80/2,456,017.20 = 1,217,440.80/x
  3. Step 3: Cross multiply
    1,637,344.80x = 2,456,017.20 × 1,217,440.80
  4. Step 4: Simplify right side
    1,637,344.80x = 2,990,055,544,781.76
  5. Step 5: Solve for x
    x = 2,990,055,544,781.76/1,637,344.80
  6. Step 6: Final answer
    x = 1,826,161.20

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Similar ratio
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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.