Home / 1,178,628.60-1,766,906.10-705,502.20

Finding the Fourth Proportional to 1,178,628.60, 1,766,906.10 and 705,502.20

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Solution

The fourth proportional to 1,178,628.60, 1,766,906.10 and 705,502.20 is: 1,057,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,628.60 : 1,766,906.10 = 705,502.20 : x
  2. Step 2: Convert to fraction form
    1,178,628.60/1,766,906.10 = 705,502.20/x
  3. Step 3: Cross multiply
    1,178,628.60x = 1,766,906.10 × 705,502.20
  4. Step 4: Simplify right side
    1,178,628.60x = 1,246,556,140,743.42
  5. Step 5: Solve for x
    x = 1,246,556,140,743.42/1,178,628.60
  6. Step 6: Final answer
    x = 1,057,632.69

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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.