Home / 825,590.27-1,236,973.65-645,606.18

Finding the Fourth Proportional to 825,590.27, 1,236,973.65 and 645,606.18

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Solution

The fourth proportional to 825,590.27, 1,236,973.65 and 645,606.18 is: 967,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,590.27 : 1,236,973.65 = 645,606.18 : x
  2. Step 2: Convert to fraction form
    825,590.27/1,236,973.65 = 645,606.18/x
  3. Step 3: Cross multiply
    825,590.27x = 1,236,973.65 × 645,606.18
  4. Step 4: Simplify right side
    825,590.27x = 798,597,832,937.16
  5. Step 5: Solve for x
    x = 798,597,832,937.16/825,590.27
  6. Step 6: Final answer
    x = 967,305.29

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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.