Home / 1,272,741.20-1,756,349.16-691,946

Finding the Fourth Proportional to 1,272,741.20, 1,756,349.16 and 691,946

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Solution

The fourth proportional to 1,272,741.20, 1,756,349.16 and 691,946 is: 954,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,741.20 : 1,756,349.16 = 691,946 : x
  2. Step 2: Convert to fraction form
    1,272,741.20/1,756,349.16 = 691,946/x
  3. Step 3: Cross multiply
    1,272,741.20x = 1,756,349.16 × 691,946
  4. Step 4: Simplify right side
    1,272,741.20x = 1,215,298,775,865.36
  5. Step 5: Solve for x
    x = 1,215,298,775,865.36/1,272,741.20
  6. Step 6: Final answer
    x = 954,867.16

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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.