Home / 1,888,040.40-2,831,010.72-625,179.12

Finding the Fourth Proportional to 1,888,040.40, 2,831,010.72 and 625,179.12

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Solution

The fourth proportional to 1,888,040.40, 2,831,010.72 and 625,179.12 is: 937,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,040.40 : 2,831,010.72 = 625,179.12 : x
  2. Step 2: Convert to fraction form
    1,888,040.40/2,831,010.72 = 625,179.12/x
  3. Step 3: Cross multiply
    1,888,040.40x = 2,831,010.72 × 625,179.12
  4. Step 4: Simplify right side
    1,888,040.40x = 1,769,888,790,640.17
  5. Step 5: Solve for x
    x = 1,769,888,790,640.17/1,888,040.40
  6. Step 6: Final answer
    x = 937,421.04

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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.