Home / 1,371,805.80-2,057,708.70-425,466.60

Finding the Fourth Proportional to 1,371,805.80, 2,057,708.70 and 425,466.60

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Solution

The fourth proportional to 1,371,805.80, 2,057,708.70 and 425,466.60 is: 638,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,805.80 : 2,057,708.70 = 425,466.60 : x
  2. Step 2: Convert to fraction form
    1,371,805.80/2,057,708.70 = 425,466.60/x
  3. Step 3: Cross multiply
    1,371,805.80x = 2,057,708.70 × 425,466.60
  4. Step 4: Simplify right side
    1,371,805.80x = 875,486,324,379.42
  5. Step 5: Solve for x
    x = 875,486,324,379.42/1,371,805.80
  6. Step 6: Final answer
    x = 638,199.90

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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.