Home / 1,846,479.60-2,767,645.80-781,340.40

Finding the Fourth Proportional to 1,846,479.60, 2,767,645.80 and 781,340.40

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Solution

The fourth proportional to 1,846,479.60, 2,767,645.80 and 781,340.40 is: 1,171,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846,479.60 : 2,767,645.80 = 781,340.40 : x
  2. Step 2: Convert to fraction form
    1,846,479.60/2,767,645.80 = 781,340.40/x
  3. Step 3: Cross multiply
    1,846,479.60x = 2,767,645.80 × 781,340.40
  4. Step 4: Simplify right side
    1,846,479.60x = 2,162,473,476,430.32
  5. Step 5: Solve for x
    x = 2,162,473,476,430.32/1,846,479.60
  6. Step 6: Final answer
    x = 1,171,133.15

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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.