Home / 1,518,744.80-2,278,117.20-919,397.45

Finding the Fourth Proportional to 1,518,744.80, 2,278,117.20 and 919,397.45

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Solution

The fourth proportional to 1,518,744.80, 2,278,117.20 and 919,397.45 is: 1,379,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,744.80 : 2,278,117.20 = 919,397.45 : x
  2. Step 2: Convert to fraction form
    1,518,744.80/2,278,117.20 = 919,397.45/x
  3. Step 3: Cross multiply
    1,518,744.80x = 2,278,117.20 × 919,397.45
  4. Step 4: Simplify right side
    1,518,744.80x = 2,094,495,144,481.14
  5. Step 5: Solve for x
    x = 2,094,495,144,481.14/1,518,744.80
  6. Step 6: Final answer
    x = 1,379,096.18

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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.