Home / 1,063,439.64-1,595,159.46-432,205.56

Finding the Fourth Proportional to 1,063,439.64, 1,595,159.46 and 432,205.56

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Solution

The fourth proportional to 1,063,439.64, 1,595,159.46 and 432,205.56 is: 648,308.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,439.64 : 1,595,159.46 = 432,205.56 : x
  2. Step 2: Convert to fraction form
    1,063,439.64/1,595,159.46 = 432,205.56/x
  3. Step 3: Cross multiply
    1,063,439.64x = 1,595,159.46 × 432,205.56
  4. Step 4: Simplify right side
    1,063,439.64x = 689,436,787,698.60
  5. Step 5: Solve for x
    x = 689,436,787,698.60/1,063,439.64
  6. Step 6: Final answer
    x = 648,308.34

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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.