Home / 1,408,217.32-1,943,339.16-763,635.52

Finding the Fourth Proportional to 1,408,217.32, 1,943,339.16 and 763,635.52

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Solution

The fourth proportional to 1,408,217.32, 1,943,339.16 and 763,635.52 is: 1,053,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,217.32 : 1,943,339.16 = 763,635.52 : x
  2. Step 2: Convert to fraction form
    1,408,217.32/1,943,339.16 = 763,635.52/x
  3. Step 3: Cross multiply
    1,408,217.32x = 1,943,339.16 × 763,635.52
  4. Step 4: Simplify right side
    1,408,217.32x = 1,484,002,809,982.96
  5. Step 5: Solve for x
    x = 1,484,002,809,982.96/1,408,217.32
  6. Step 6: Final answer
    x = 1,053,816.62

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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.