Home / 738,106.60-1,107,159.90-724,109.80

Finding the Fourth Proportional to 738,106.60, 1,107,159.90 and 724,109.80

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Solution

The fourth proportional to 738,106.60, 1,107,159.90 and 724,109.80 is: 1,086,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,106.60 : 1,107,159.90 = 724,109.80 : x
  2. Step 2: Convert to fraction form
    738,106.60/1,107,159.90 = 724,109.80/x
  3. Step 3: Cross multiply
    738,106.60x = 1,107,159.90 × 724,109.80
  4. Step 4: Simplify right side
    738,106.60x = 801,705,333,757.02
  5. Step 5: Solve for x
    x = 801,705,333,757.02/738,106.60
  6. Step 6: Final answer
    x = 1,086,164.70

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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.