Home / 1,105,963.20-1,658,944.80-396,014.40

Finding the Fourth Proportional to 1,105,963.20, 1,658,944.80 and 396,014.40

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Solution

The fourth proportional to 1,105,963.20, 1,658,944.80 and 396,014.40 is: 594,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,963.20 : 1,658,944.80 = 396,014.40 : x
  2. Step 2: Convert to fraction form
    1,105,963.20/1,658,944.80 = 396,014.40/x
  3. Step 3: Cross multiply
    1,105,963.20x = 1,658,944.80 × 396,014.40
  4. Step 4: Simplify right side
    1,105,963.20x = 656,966,029,605.12
  5. Step 5: Solve for x
    x = 656,966,029,605.12/1,105,963.20
  6. Step 6: Final answer
    x = 594,021.60

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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.