Home / 1,208,213.28-1,666,919.44-749,162.66

Finding the Fourth Proportional to 1,208,213.28, 1,666,919.44 and 749,162.66

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Solution

The fourth proportional to 1,208,213.28, 1,666,919.44 and 749,162.66 is: 1,033,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,213.28 : 1,666,919.44 = 749,162.66 : x
  2. Step 2: Convert to fraction form
    1,208,213.28/1,666,919.44 = 749,162.66/x
  3. Step 3: Cross multiply
    1,208,213.28x = 1,666,919.44 × 749,162.66
  4. Step 4: Simplify right side
    1,208,213.28x = 1,248,793,800,256.74
  5. Step 5: Solve for x
    x = 1,248,793,800,256.74/1,208,213.28
  6. Step 6: Final answer
    x = 1,033,587.22

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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.