Home / 1,272,748.56-1,756,348.04-699,784.32

Finding the Fourth Proportional to 1,272,748.56, 1,756,348.04 and 699,784.32

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Solution

The fourth proportional to 1,272,748.56, 1,756,348.04 and 699,784.32 is: 965,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,748.56 : 1,756,348.04 = 699,784.32 : x
  2. Step 2: Convert to fraction form
    1,272,748.56/1,756,348.04 = 699,784.32/x
  3. Step 3: Cross multiply
    1,272,748.56x = 1,756,348.04 × 699,784.32
  4. Step 4: Simplify right side
    1,272,748.56x = 1,229,064,818,854.73
  5. Step 5: Solve for x
    x = 1,229,064,818,854.73/1,272,748.56
  6. Step 6: Final answer
    x = 965,677.63

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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.