Home / 1,295,187.42-1,787,370.30-714,432.90

Finding the Fourth Proportional to 1,295,187.42, 1,787,370.30 and 714,432.90

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Solution

The fourth proportional to 1,295,187.42, 1,787,370.30 and 714,432.90 is: 985,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,187.42 : 1,787,370.30 = 714,432.90 : x
  2. Step 2: Convert to fraction form
    1,295,187.42/1,787,370.30 = 714,432.90/x
  3. Step 3: Cross multiply
    1,295,187.42x = 1,787,370.30 × 714,432.90
  4. Step 4: Simplify right side
    1,295,187.42x = 1,276,956,146,802.87
  5. Step 5: Solve for x
    x = 1,276,956,146,802.87/1,295,187.42
  6. Step 6: Final answer
    x = 985,923.83

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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.