Home / 1,475,325.43-2,036,143.11-830,871.61

Finding the Fourth Proportional to 1,475,325.43, 2,036,143.11 and 830,871.61

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Solution

The fourth proportional to 1,475,325.43, 2,036,143.11 and 830,871.61 is: 1,146,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,325.43 : 2,036,143.11 = 830,871.61 : x
  2. Step 2: Convert to fraction form
    1,475,325.43/2,036,143.11 = 830,871.61/x
  3. Step 3: Cross multiply
    1,475,325.43x = 2,036,143.11 × 830,871.61
  4. Step 4: Simplify right side
    1,475,325.43x = 1,691,773,503,996.11
  5. Step 5: Solve for x
    x = 1,691,773,503,996.11/1,475,325.43
  6. Step 6: Final answer
    x = 1,146,712.09

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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.