Home / 1,120,043.33-1,680,061.80-278,595.08

Finding the Fourth Proportional to 1,120,043.33, 1,680,061.80 and 278,595.08

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Solution

The fourth proportional to 1,120,043.33, 1,680,061.80 and 278,595.08 is: 417,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,043.33 : 1,680,061.80 = 278,595.08 : x
  2. Step 2: Convert to fraction form
    1,120,043.33/1,680,061.80 = 278,595.08/x
  3. Step 3: Cross multiply
    1,120,043.33x = 1,680,061.80 × 278,595.08
  4. Step 4: Simplify right side
    1,120,043.33x = 468,056,950,520.60
  5. Step 5: Solve for x
    x = 468,056,950,520.60/1,120,043.33
  6. Step 6: Final answer
    x = 417,891.82

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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.