Home / 1,281,278.50-1,768,010.76-708,240.76

Finding the Fourth Proportional to 1,281,278.50, 1,768,010.76 and 708,240.76

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Solution

The fourth proportional to 1,281,278.50, 1,768,010.76 and 708,240.76 is: 977,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,278.50 : 1,768,010.76 = 708,240.76 : x
  2. Step 2: Convert to fraction form
    1,281,278.50/1,768,010.76 = 708,240.76/x
  3. Step 3: Cross multiply
    1,281,278.50x = 1,768,010.76 × 708,240.76
  4. Step 4: Simplify right side
    1,281,278.50x = 1,252,177,284,350.58
  5. Step 5: Solve for x
    x = 1,252,177,284,350.58/1,281,278.50
  6. Step 6: Final answer
    x = 977,287.36

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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.