Home / 1,105,105.60-1,657,658.40-825,169.60

Finding the Fourth Proportional to 1,105,105.60, 1,657,658.40 and 825,169.60

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Solution

The fourth proportional to 1,105,105.60, 1,657,658.40 and 825,169.60 is: 1,237,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,105.60 : 1,657,658.40 = 825,169.60 : x
  2. Step 2: Convert to fraction form
    1,105,105.60/1,657,658.40 = 825,169.60/x
  3. Step 3: Cross multiply
    1,105,105.60x = 1,657,658.40 × 825,169.60
  4. Step 4: Simplify right side
    1,105,105.60x = 1,367,849,318,864.64
  5. Step 5: Solve for x
    x = 1,367,849,318,864.64/1,105,105.60
  6. Step 6: Final answer
    x = 1,237,754.40

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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.