Home / 1,876,189.80-2,812,316.40-738,512.40

Finding the Fourth Proportional to 1,876,189.80, 2,812,316.40 and 738,512.40

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Solution

The fourth proportional to 1,876,189.80, 2,812,316.40 and 738,512.40 is: 1,106,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,189.80 : 2,812,316.40 = 738,512.40 : x
  2. Step 2: Convert to fraction form
    1,876,189.80/2,812,316.40 = 738,512.40/x
  3. Step 3: Cross multiply
    1,876,189.80x = 2,812,316.40 × 738,512.40
  4. Step 4: Simplify right side
    1,876,189.80x = 2,076,930,534,123.36
  5. Step 5: Solve for x
    x = 2,076,930,534,123.36/1,876,189.80
  6. Step 6: Final answer
    x = 1,106,993.83

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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.