Home / 1,170,588.75-1,615,411.90-687,153.90

Finding the Fourth Proportional to 1,170,588.75, 1,615,411.90 and 687,153.90

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Solution

The fourth proportional to 1,170,588.75, 1,615,411.90 and 687,153.90 is: 948,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,588.75 : 1,615,411.90 = 687,153.90 : x
  2. Step 2: Convert to fraction form
    1,170,588.75/1,615,411.90 = 687,153.90/x
  3. Step 3: Cross multiply
    1,170,588.75x = 1,615,411.90 × 687,153.90
  4. Step 4: Simplify right side
    1,170,588.75x = 1,110,036,580,478.11
  5. Step 5: Solve for x
    x = 1,110,036,580,478.11/1,170,588.75
  6. Step 6: Final answer
    x = 948,272.04

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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.