Home / 1,638,292.80-2,457,439.20-929,704.80

Finding the Fourth Proportional to 1,638,292.80, 2,457,439.20 and 929,704.80

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Solution

The fourth proportional to 1,638,292.80, 2,457,439.20 and 929,704.80 is: 1,394,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,292.80 : 2,457,439.20 = 929,704.80 : x
  2. Step 2: Convert to fraction form
    1,638,292.80/2,457,439.20 = 929,704.80/x
  3. Step 3: Cross multiply
    1,638,292.80x = 2,457,439.20 × 929,704.80
  4. Step 4: Simplify right side
    1,638,292.80x = 2,284,693,019,948.16
  5. Step 5: Solve for x
    x = 2,284,693,019,948.16/1,638,292.80
  6. Step 6: Final answer
    x = 1,394,557.20

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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.