Home / 1,261,165.19-1,740,444.98-688,242.33

Finding the Fourth Proportional to 1,261,165.19, 1,740,444.98 and 688,242.33

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Solution

The fourth proportional to 1,261,165.19, 1,740,444.98 and 688,242.33 is: 949,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,165.19 : 1,740,444.98 = 688,242.33 : x
  2. Step 2: Convert to fraction form
    1,261,165.19/1,740,444.98 = 688,242.33/x
  3. Step 3: Cross multiply
    1,261,165.19x = 1,740,444.98 × 688,242.33
  4. Step 4: Simplify right side
    1,261,165.19x = 1,197,847,904,830.79
  5. Step 5: Solve for x
    x = 1,197,847,904,830.79/1,261,165.19
  6. Step 6: Final answer
    x = 949,794.62

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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.