Home / 1,053,211.74-1,578,385.72-445,494.66

Finding the Fourth Proportional to 1,053,211.74, 1,578,385.72 and 445,494.66

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Solution

The fourth proportional to 1,053,211.74, 1,578,385.72 and 445,494.66 is: 667,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,211.74 : 1,578,385.72 = 445,494.66 : x
  2. Step 2: Convert to fraction form
    1,053,211.74/1,578,385.72 = 445,494.66/x
  3. Step 3: Cross multiply
    1,053,211.74x = 1,578,385.72 × 445,494.66
  4. Step 4: Simplify right side
    1,053,211.74x = 703,162,409,680.26
  5. Step 5: Solve for x
    x = 703,162,409,680.26/1,053,211.74
  6. Step 6: Final answer
    x = 667,636.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.