Home / 1,249,871.88-1,724,824.56-676,912.72

Finding the Fourth Proportional to 1,249,871.88, 1,724,824.56 and 676,912.72

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Solution

The fourth proportional to 1,249,871.88, 1,724,824.56 and 676,912.72 is: 934,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,871.88 : 1,724,824.56 = 676,912.72 : x
  2. Step 2: Convert to fraction form
    1,249,871.88/1,724,824.56 = 676,912.72/x
  3. Step 3: Cross multiply
    1,249,871.88x = 1,724,824.56 × 676,912.72
  4. Step 4: Simplify right side
    1,249,871.88x = 1,167,555,684,432.40
  5. Step 5: Solve for x
    x = 1,167,555,684,432.40/1,249,871.88
  6. Step 6: Final answer
    x = 934,140.29

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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.