Home / 1,554,482.20-2,332,155.88-678,198.31

Finding the Fourth Proportional to 1,554,482.20, 2,332,155.88 and 678,198.31

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Solution

The fourth proportional to 1,554,482.20, 2,332,155.88 and 678,198.31 is: 1,017,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,482.20 : 2,332,155.88 = 678,198.31 : x
  2. Step 2: Convert to fraction form
    1,554,482.20/2,332,155.88 = 678,198.31/x
  3. Step 3: Cross multiply
    1,554,482.20x = 2,332,155.88 × 678,198.31
  4. Step 4: Simplify right side
    1,554,482.20x = 1,581,664,177,320.31
  5. Step 5: Solve for x
    x = 1,581,664,177,320.31/1,554,482.20
  6. Step 6: Final answer
    x = 1,017,486.20

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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.