Home / 1,072,892.20-1,609,532.70-539,069.80

Finding the Fourth Proportional to 1,072,892.20, 1,609,532.70 and 539,069.80

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Solution

The fourth proportional to 1,072,892.20, 1,609,532.70 and 539,069.80 is: 808,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,892.20 : 1,609,532.70 = 539,069.80 : x
  2. Step 2: Convert to fraction form
    1,072,892.20/1,609,532.70 = 539,069.80/x
  3. Step 3: Cross multiply
    1,072,892.20x = 1,609,532.70 × 539,069.80
  4. Step 4: Simplify right side
    1,072,892.20x = 867,650,470,682.46
  5. Step 5: Solve for x
    x = 867,650,470,682.46/1,072,892.20
  6. Step 6: Final answer
    x = 808,702.38

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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.