Home / 1,261,095.88-1,740,354.32-688,167.48

Finding the Fourth Proportional to 1,261,095.88, 1,740,354.32 and 688,167.48

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Solution

The fourth proportional to 1,261,095.88, 1,740,354.32 and 688,167.48 is: 949,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,095.88 : 1,740,354.32 = 688,167.48 : x
  2. Step 2: Convert to fraction form
    1,261,095.88/1,740,354.32 = 688,167.48/x
  3. Step 3: Cross multiply
    1,261,095.88x = 1,740,354.32 × 688,167.48
  4. Step 4: Simplify right side
    1,261,095.88x = 1,197,655,246,701.51
  5. Step 5: Solve for x
    x = 1,197,655,246,701.51/1,261,095.88
  6. Step 6: Final answer
    x = 949,694.04

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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.