Home / 1,281,042.51-1,767,874.37-708,119.52

Finding the Fourth Proportional to 1,281,042.51, 1,767,874.37 and 708,119.52

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Solution

The fourth proportional to 1,281,042.51, 1,767,874.37 and 708,119.52 is: 977,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,042.51 : 1,767,874.37 = 708,119.52 : x
  2. Step 2: Convert to fraction form
    1,281,042.51/1,767,874.37 = 708,119.52/x
  3. Step 3: Cross multiply
    1,281,042.51x = 1,767,874.37 × 708,119.52
  4. Step 4: Simplify right side
    1,281,042.51x = 1,251,866,350,304.70
  5. Step 5: Solve for x
    x = 1,251,866,350,304.70/1,281,042.51
  6. Step 6: Final answer
    x = 977,224.67

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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.