Home / 959,159.70-1,438,739.55-918,206.10

Finding the Fourth Proportional to 959,159.70, 1,438,739.55 and 918,206.10

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Solution

The fourth proportional to 959,159.70, 1,438,739.55 and 918,206.10 is: 1,377,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,159.70 : 1,438,739.55 = 918,206.10 : x
  2. Step 2: Convert to fraction form
    959,159.70/1,438,739.55 = 918,206.10/x
  3. Step 3: Cross multiply
    959,159.70x = 1,438,739.55 × 918,206.10
  4. Step 4: Simplify right side
    959,159.70x = 1,321,059,431,121.26
  5. Step 5: Solve for x
    x = 1,321,059,431,121.26/959,159.70
  6. Step 6: Final answer
    x = 1,377,309.15

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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.