Home / 1,408,259.96-1,943,399.18-763,679.96

Finding the Fourth Proportional to 1,408,259.96, 1,943,399.18 and 763,679.96

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Solution

The fourth proportional to 1,408,259.96, 1,943,399.18 and 763,679.96 is: 1,053,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,259.96 : 1,943,399.18 = 763,679.96 : x
  2. Step 2: Convert to fraction form
    1,408,259.96/1,943,399.18 = 763,679.96/x
  3. Step 3: Cross multiply
    1,408,259.96x = 1,943,399.18 × 763,679.96
  4. Step 4: Simplify right side
    1,408,259.96x = 1,484,135,008,046.43
  5. Step 5: Solve for x
    x = 1,484,135,008,046.43/1,408,259.96
  6. Step 6: Final answer
    x = 1,053,878.58

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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.