Home / 1,378,850.83-2,068,276.85-432,295.36

Finding the Fourth Proportional to 1,378,850.83, 2,068,276.85 and 432,295.36

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Solution

The fourth proportional to 1,378,850.83, 2,068,276.85 and 432,295.36 is: 648,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,850.83 : 2,068,276.85 = 432,295.36 : x
  2. Step 2: Convert to fraction form
    1,378,850.83/2,068,276.85 = 432,295.36/x
  3. Step 3: Cross multiply
    1,378,850.83x = 2,068,276.85 × 432,295.36
  4. Step 4: Simplify right side
    1,378,850.83x = 894,106,479,739.36
  5. Step 5: Solve for x
    x = 894,106,479,739.36/1,378,850.83
  6. Step 6: Final answer
    x = 648,443.23

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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.