Home / 1,275,306.85-1,759,902.04-702,400.33

Finding the Fourth Proportional to 1,275,306.85, 1,759,902.04 and 702,400.33

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Solution

The fourth proportional to 1,275,306.85, 1,759,902.04 and 702,400.33 is: 969,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,306.85 : 1,759,902.04 = 702,400.33 : x
  2. Step 2: Convert to fraction form
    1,275,306.85/1,759,902.04 = 702,400.33/x
  3. Step 3: Cross multiply
    1,275,306.85x = 1,759,902.04 × 702,400.33
  4. Step 4: Simplify right side
    1,275,306.85x = 1,236,155,773,663.67
  5. Step 5: Solve for x
    x = 1,236,155,773,663.67/1,275,306.85
  6. Step 6: Final answer
    x = 969,300.66

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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.