Home / 1,629,248.20-2,445,038.70-918,521.80

Finding the Fourth Proportional to 1,629,248.20, 2,445,038.70 and 918,521.80

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Solution

The fourth proportional to 1,629,248.20, 2,445,038.70 and 918,521.80 is: 1,378,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,248.20 : 2,445,038.70 = 918,521.80 : x
  2. Step 2: Convert to fraction form
    1,629,248.20/2,445,038.70 = 918,521.80/x
  3. Step 3: Cross multiply
    1,629,248.20x = 2,445,038.70 × 918,521.80
  4. Step 4: Simplify right side
    1,629,248.20x = 2,245,821,347,793.66
  5. Step 5: Solve for x
    x = 2,245,821,347,793.66/1,629,248.20
  6. Step 6: Final answer
    x = 1,378,440.28

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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.