Home / 1,065,680.80-1,599,659.15-458,769.50

Finding the Fourth Proportional to 1,065,680.80, 1,599,659.15 and 458,769.50

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Solution

The fourth proportional to 1,065,680.80, 1,599,659.15 and 458,769.50 is: 688,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,680.80 : 1,599,659.15 = 458,769.50 : x
  2. Step 2: Convert to fraction form
    1,065,680.80/1,599,659.15 = 458,769.50/x
  3. Step 3: Cross multiply
    1,065,680.80x = 1,599,659.15 × 458,769.50
  4. Step 4: Simplify right side
    1,065,680.80x = 733,874,826,122.08
  5. Step 5: Solve for x
    x = 733,874,826,122.08/1,065,680.80
  6. Step 6: Final answer
    x = 688,644.13

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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.