Home / 1,013,434.47-1,520,151.69-823,665.75

Finding the Fourth Proportional to 1,013,434.47, 1,520,151.69 and 823,665.75

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Solution

The fourth proportional to 1,013,434.47, 1,520,151.69 and 823,665.75 is: 1,235,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,434.47 : 1,520,151.69 = 823,665.75 : x
  2. Step 2: Convert to fraction form
    1,013,434.47/1,520,151.69 = 823,665.75/x
  3. Step 3: Cross multiply
    1,013,434.47x = 1,520,151.69 × 823,665.75
  4. Step 4: Simplify right side
    1,013,434.47x = 1,252,096,881,857.62
  5. Step 5: Solve for x
    x = 1,252,096,881,857.62/1,013,434.47
  6. Step 6: Final answer
    x = 1,235,498.61

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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.