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Finding the Fourth Proportional to 1,569,757.65, 2,354,636.48 and 1,118,032.80

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Solution

The fourth proportional to 1,569,757.65, 2,354,636.48 and 1,118,032.80 is: 1,677,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,757.65 : 2,354,636.48 = 1,118,032.80 : x
  2. Step 2: Convert to fraction form
    1,569,757.65/2,354,636.48 = 1,118,032.80/x
  3. Step 3: Cross multiply
    1,569,757.65x = 2,354,636.48 × 1,118,032.80
  4. Step 4: Simplify right side
    1,569,757.65x = 2,632,560,811,126.38
  5. Step 5: Solve for x
    x = 2,632,560,811,126.38/1,569,757.65
  6. Step 6: Final answer
    x = 1,677,049.20

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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.