Home / 1,648,512.60-2,472,768.90-928,114.80

Finding the Fourth Proportional to 1,648,512.60, 2,472,768.90 and 928,114.80

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Solution

The fourth proportional to 1,648,512.60, 2,472,768.90 and 928,114.80 is: 1,392,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,512.60 : 2,472,768.90 = 928,114.80 : x
  2. Step 2: Convert to fraction form
    1,648,512.60/2,472,768.90 = 928,114.80/x
  3. Step 3: Cross multiply
    1,648,512.60x = 2,472,768.90 × 928,114.80
  4. Step 4: Simplify right side
    1,648,512.60x = 2,295,013,413,069.72
  5. Step 5: Solve for x
    x = 2,295,013,413,069.72/1,648,512.60
  6. Step 6: Final answer
    x = 1,392,172.20

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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.