Home / 1,207,235.80-1,808,780.10-574,787.80

Finding the Fourth Proportional to 1,207,235.80, 1,808,780.10 and 574,787.80

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Solution

The fourth proportional to 1,207,235.80, 1,808,780.10 and 574,787.80 is: 861,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,235.80 : 1,808,780.10 = 574,787.80 : x
  2. Step 2: Convert to fraction form
    1,207,235.80/1,808,780.10 = 574,787.80/x
  3. Step 3: Cross multiply
    1,207,235.80x = 1,808,780.10 × 574,787.80
  4. Step 4: Simplify right side
    1,207,235.80x = 1,039,664,734,362.78
  5. Step 5: Solve for x
    x = 1,039,664,734,362.78/1,207,235.80
  6. Step 6: Final answer
    x = 861,194.42

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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.