Home / 1,117,722.54-1,676,703.20-478,092.45

Finding the Fourth Proportional to 1,117,722.54, 1,676,703.20 and 478,092.45

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Solution

The fourth proportional to 1,117,722.54, 1,676,703.20 and 478,092.45 is: 717,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,722.54 : 1,676,703.20 = 478,092.45 : x
  2. Step 2: Convert to fraction form
    1,117,722.54/1,676,703.20 = 478,092.45/x
  3. Step 3: Cross multiply
    1,117,722.54x = 1,676,703.20 × 478,092.45
  4. Step 4: Simplify right side
    1,117,722.54x = 801,619,138,420.38
  5. Step 5: Solve for x
    x = 801,619,138,420.38/1,117,722.54
  6. Step 6: Final answer
    x = 717,189.74

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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.