Home / 1,152,046.20-1,728,069.30-834,785.40

Finding the Fourth Proportional to 1,152,046.20, 1,728,069.30 and 834,785.40

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Solution

The fourth proportional to 1,152,046.20, 1,728,069.30 and 834,785.40 is: 1,252,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,046.20 : 1,728,069.30 = 834,785.40 : x
  2. Step 2: Convert to fraction form
    1,152,046.20/1,728,069.30 = 834,785.40/x
  3. Step 3: Cross multiply
    1,152,046.20x = 1,728,069.30 × 834,785.40
  4. Step 4: Simplify right side
    1,152,046.20x = 1,442,567,021,828.22
  5. Step 5: Solve for x
    x = 1,442,567,021,828.22/1,152,046.20
  6. Step 6: Final answer
    x = 1,252,178.10

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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.