Home / 1,423,213.47-1,965,231.32-1,016,562.69

Finding the Fourth Proportional to 1,423,213.47, 1,965,231.32 and 1,016,562.69

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Solution

The fourth proportional to 1,423,213.47, 1,965,231.32 and 1,016,562.69 is: 1,403,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,213.47 : 1,965,231.32 = 1,016,562.69 : x
  2. Step 2: Convert to fraction form
    1,423,213.47/1,965,231.32 = 1,016,562.69/x
  3. Step 3: Cross multiply
    1,423,213.47x = 1,965,231.32 × 1,016,562.69
  4. Step 4: Simplify right side
    1,423,213.47x = 1,997,780,832,048.64
  5. Step 5: Solve for x
    x = 1,997,780,832,048.64/1,423,213.47
  6. Step 6: Final answer
    x = 1,403,711.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.