Home / 1,408,243.74-1,943,376.88-763,663.76

Finding the Fourth Proportional to 1,408,243.74, 1,943,376.88 and 763,663.76

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Solution

The fourth proportional to 1,408,243.74, 1,943,376.88 and 763,663.76 is: 1,053,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,243.74 : 1,943,376.88 = 763,663.76 : x
  2. Step 2: Convert to fraction form
    1,408,243.74/1,943,376.88 = 763,663.76/x
  3. Step 3: Cross multiply
    1,408,243.74x = 1,943,376.88 × 763,663.76
  4. Step 4: Simplify right side
    1,408,243.74x = 1,484,086,498,227.15
  5. Step 5: Solve for x
    x = 1,484,086,498,227.15/1,408,243.74
  6. Step 6: Final answer
    x = 1,053,856.27

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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.