Home / 1,434,379.58-1,979,479.30-781,041.41

Finding the Fourth Proportional to 1,434,379.58, 1,979,479.30 and 781,041.41

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Solution

The fourth proportional to 1,434,379.58, 1,979,479.30 and 781,041.41 is: 1,077,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,379.58 : 1,979,479.30 = 781,041.41 : x
  2. Step 2: Convert to fraction form
    1,434,379.58/1,979,479.30 = 781,041.41/x
  3. Step 3: Cross multiply
    1,434,379.58x = 1,979,479.30 × 781,041.41
  4. Step 4: Simplify right side
    1,434,379.58x = 1,546,055,302,847.62
  5. Step 5: Solve for x
    x = 1,546,055,302,847.62/1,434,379.58
  6. Step 6: Final answer
    x = 1,077,856.46

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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.