Home / 1,118,201.40-1,675,989.90-478,503.90

Finding the Fourth Proportional to 1,118,201.40, 1,675,989.90 and 478,503.90

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Solution

The fourth proportional to 1,118,201.40, 1,675,989.90 and 478,503.90 is: 717,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,201.40 : 1,675,989.90 = 478,503.90 : x
  2. Step 2: Convert to fraction form
    1,118,201.40/1,675,989.90 = 478,503.90/x
  3. Step 3: Cross multiply
    1,118,201.40x = 1,675,989.90 × 478,503.90
  4. Step 4: Simplify right side
    1,118,201.40x = 801,967,703,510.61
  5. Step 5: Solve for x
    x = 801,967,703,510.61/1,118,201.40
  6. Step 6: Final answer
    x = 717,194.33

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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.