Home / 1,261,170.10-1,740,451.51-688,247.18

Finding the Fourth Proportional to 1,261,170.10, 1,740,451.51 and 688,247.18

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Solution

The fourth proportional to 1,261,170.10, 1,740,451.51 and 688,247.18 is: 949,801.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,170.10 : 1,740,451.51 = 688,247.18 : x
  2. Step 2: Convert to fraction form
    1,261,170.10/1,740,451.51 = 688,247.18/x
  3. Step 3: Cross multiply
    1,261,170.10x = 1,740,451.51 × 688,247.18
  4. Step 4: Simplify right side
    1,261,170.10x = 1,197,860,838,497.60
  5. Step 5: Solve for x
    x = 1,197,860,838,497.60/1,261,170.10
  6. Step 6: Final answer
    x = 949,801.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.