Home / 1,424,343.29-2,136,518.78-359,385.26

Finding the Fourth Proportional to 1,424,343.29, 2,136,518.78 and 359,385.26

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Solution

The fourth proportional to 1,424,343.29, 2,136,518.78 and 359,385.26 is: 539,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,343.29 : 2,136,518.78 = 359,385.26 : x
  2. Step 2: Convert to fraction form
    1,424,343.29/2,136,518.78 = 359,385.26/x
  3. Step 3: Cross multiply
    1,424,343.29x = 2,136,518.78 × 359,385.26
  4. Step 4: Simplify right side
    1,424,343.29x = 767,833,344,765.66
  5. Step 5: Solve for x
    x = 767,833,344,765.66/1,424,343.29
  6. Step 6: Final answer
    x = 539,078.85

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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.