Home / 1,239,464.40-1,859,196.60-441,646.80

Finding the Fourth Proportional to 1,239,464.40, 1,859,196.60 and 441,646.80

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Solution

The fourth proportional to 1,239,464.40, 1,859,196.60 and 441,646.80 is: 662,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,464.40 : 1,859,196.60 = 441,646.80 : x
  2. Step 2: Convert to fraction form
    1,239,464.40/1,859,196.60 = 441,646.80/x
  3. Step 3: Cross multiply
    1,239,464.40x = 1,859,196.60 × 441,646.80
  4. Step 4: Simplify right side
    1,239,464.40x = 821,108,228,960.88
  5. Step 5: Solve for x
    x = 821,108,228,960.88/1,239,464.40
  6. Step 6: Final answer
    x = 662,470.20

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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.