Home / 828,322.15-1,242,483.23-814,325.35

Finding the Fourth Proportional to 828,322.15, 1,242,483.23 and 814,325.35

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Solution

The fourth proportional to 828,322.15, 1,242,483.23 and 814,325.35 is: 1,221,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,322.15 : 1,242,483.23 = 814,325.35 : x
  2. Step 2: Convert to fraction form
    828,322.15/1,242,483.23 = 814,325.35/x
  3. Step 3: Cross multiply
    828,322.15x = 1,242,483.23 × 814,325.35
  4. Step 4: Simplify right side
    828,322.15x = 1,011,785,587,067.25
  5. Step 5: Solve for x
    x = 1,011,785,587,067.25/828,322.15
  6. Step 6: Final answer
    x = 1,221,488.03

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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.