Home / 1,612,856.40-2,415,785.40-1,332,920.40

Finding the Fourth Proportional to 1,612,856.40, 2,415,785.40 and 1,332,920.40

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Solution

The fourth proportional to 1,612,856.40, 2,415,785.40 and 1,332,920.40 is: 1,996,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,856.40 : 2,415,785.40 = 1,332,920.40 : x
  2. Step 2: Convert to fraction form
    1,612,856.40/2,415,785.40 = 1,332,920.40/x
  3. Step 3: Cross multiply
    1,612,856.40x = 2,415,785.40 × 1,332,920.40
  4. Step 4: Simplify right side
    1,612,856.40x = 3,220,049,641,682.16
  5. Step 5: Solve for x
    x = 3,220,049,641,682.16/1,612,856.40
  6. Step 6: Final answer
    x = 1,996,488.74

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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.