Home / 1,118,204.40-1,675,994.40-478,506.90

Finding the Fourth Proportional to 1,118,204.40, 1,675,994.40 and 478,506.90

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Solution

The fourth proportional to 1,118,204.40, 1,675,994.40 and 478,506.90 is: 717,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,204.40 : 1,675,994.40 = 478,506.90 : x
  2. Step 2: Convert to fraction form
    1,118,204.40/1,675,994.40 = 478,506.90/x
  3. Step 3: Cross multiply
    1,118,204.40x = 1,675,994.40 × 478,506.90
  4. Step 4: Simplify right side
    1,118,204.40x = 801,974,884,761.36
  5. Step 5: Solve for x
    x = 801,974,884,761.36/1,118,204.40
  6. Step 6: Final answer
    x = 717,198.83

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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.