Home / 1,042,902.92-1,439,226.46-680,558.60

Finding the Fourth Proportional to 1,042,902.92, 1,439,226.46 and 680,558.60

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Solution

The fourth proportional to 1,042,902.92, 1,439,226.46 and 680,558.60 is: 939,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,902.92 : 1,439,226.46 = 680,558.60 : x
  2. Step 2: Convert to fraction form
    1,042,902.92/1,439,226.46 = 680,558.60/x
  3. Step 3: Cross multiply
    1,042,902.92x = 1,439,226.46 × 680,558.60
  4. Step 4: Simplify right side
    1,042,902.92x = 979,477,944,700.56
  5. Step 5: Solve for x
    x = 979,477,944,700.56/1,042,902.92
  6. Step 6: Final answer
    x = 939,184.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.