Home / 1,306,742.85-1,803,326.40-726,003.45

Finding the Fourth Proportional to 1,306,742.85, 1,803,326.40 and 726,003.45

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Solution

The fourth proportional to 1,306,742.85, 1,803,326.40 and 726,003.45 is: 1,001,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,742.85 : 1,803,326.40 = 726,003.45 : x
  2. Step 2: Convert to fraction form
    1,306,742.85/1,803,326.40 = 726,003.45/x
  3. Step 3: Cross multiply
    1,306,742.85x = 1,803,326.40 × 726,003.45
  4. Step 4: Simplify right side
    1,306,742.85x = 1,309,221,187,876.08
  5. Step 5: Solve for x
    x = 1,309,221,187,876.08/1,306,742.85
  6. Step 6: Final answer
    x = 1,001,896.58

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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.