Home / 1,274,792.80-1,912,880.40-564,930.40

Finding the Fourth Proportional to 1,274,792.80, 1,912,880.40 and 564,930.40

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Solution

The fourth proportional to 1,274,792.80, 1,912,880.40 and 564,930.40 is: 847,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,792.80 : 1,912,880.40 = 564,930.40 : x
  2. Step 2: Convert to fraction form
    1,274,792.80/1,912,880.40 = 564,930.40/x
  3. Step 3: Cross multiply
    1,274,792.80x = 1,912,880.40 × 564,930.40
  4. Step 4: Simplify right side
    1,274,792.80x = 1,080,644,289,524.16
  5. Step 5: Solve for x
    x = 1,080,644,289,524.16/1,274,792.80
  6. Step 6: Final answer
    x = 847,701.91

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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.