Home / 1,072,938.20-1,609,601.70-539,115.80

Finding the Fourth Proportional to 1,072,938.20, 1,609,601.70 and 539,115.80

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Solution

The fourth proportional to 1,072,938.20, 1,609,601.70 and 539,115.80 is: 808,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,938.20 : 1,609,601.70 = 539,115.80 : x
  2. Step 2: Convert to fraction form
    1,072,938.20/1,609,601.70 = 539,115.80/x
  3. Step 3: Cross multiply
    1,072,938.20x = 1,609,601.70 × 539,115.80
  4. Step 4: Simplify right side
    1,072,938.20x = 867,761,708,176.86
  5. Step 5: Solve for x
    x = 867,761,708,176.86/1,072,938.20
  6. Step 6: Final answer
    x = 808,771.38

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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.