Home / 1,107,411.80-1,661,895.30-476,778.20

Finding the Fourth Proportional to 1,107,411.80, 1,661,895.30 and 476,778.20

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Solution

The fourth proportional to 1,107,411.80, 1,661,895.30 and 476,778.20 is: 715,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,411.80 : 1,661,895.30 = 476,778.20 : x
  2. Step 2: Convert to fraction form
    1,107,411.80/1,661,895.30 = 476,778.20/x
  3. Step 3: Cross multiply
    1,107,411.80x = 1,661,895.30 × 476,778.20
  4. Step 4: Simplify right side
    1,107,411.80x = 792,355,449,722.46
  5. Step 5: Solve for x
    x = 792,355,449,722.46/1,107,411.80
  6. Step 6: Final answer
    x = 715,502.08

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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.