Home / 1,185,105.60-1,777,658.40-948,909.60

Finding the Fourth Proportional to 1,185,105.60, 1,777,658.40 and 948,909.60

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Solution

The fourth proportional to 1,185,105.60, 1,777,658.40 and 948,909.60 is: 1,423,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,105.60 : 1,777,658.40 = 948,909.60 : x
  2. Step 2: Convert to fraction form
    1,185,105.60/1,777,658.40 = 948,909.60/x
  3. Step 3: Cross multiply
    1,185,105.60x = 1,777,658.40 × 948,909.60
  4. Step 4: Simplify right side
    1,185,105.60x = 1,686,837,121,280.64
  5. Step 5: Solve for x
    x = 1,686,837,121,280.64/1,185,105.60
  6. Step 6: Final answer
    x = 1,423,364.40

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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.