Home / 1,188,746.19-1,639,236.41-1,017,231.72

Finding the Fourth Proportional to 1,188,746.19, 1,639,236.41 and 1,017,231.72

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Solution

The fourth proportional to 1,188,746.19, 1,639,236.41 and 1,017,231.72 is: 1,402,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,746.19 : 1,639,236.41 = 1,017,231.72 : x
  2. Step 2: Convert to fraction form
    1,188,746.19/1,639,236.41 = 1,017,231.72/x
  3. Step 3: Cross multiply
    1,188,746.19x = 1,639,236.41 × 1,017,231.72
  4. Step 4: Simplify right side
    1,188,746.19x = 1,667,483,267,744.77
  5. Step 5: Solve for x
    x = 1,667,483,267,744.77/1,188,746.19
  6. Step 6: Final answer
    x = 1,402,724.38

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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.