Home / 1,489,281.78-2,234,855.78-602,817.78

Finding the Fourth Proportional to 1,489,281.78, 2,234,855.78 and 602,817.78

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Solution

The fourth proportional to 1,489,281.78, 2,234,855.78 and 602,817.78 is: 904,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,281.78 : 2,234,855.78 = 602,817.78 : x
  2. Step 2: Convert to fraction form
    1,489,281.78/2,234,855.78 = 602,817.78/x
  3. Step 3: Cross multiply
    1,489,281.78x = 2,234,855.78 × 602,817.78
  4. Step 4: Simplify right side
    1,489,281.78x = 1,347,210,799,919.77
  5. Step 5: Solve for x
    x = 1,347,210,799,919.77/1,489,281.78
  6. Step 6: Final answer
    x = 904,604.37

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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.