Home / 1,015,298.35-1,400,934.09-579,516.73

Finding the Fourth Proportional to 1,015,298.35, 1,400,934.09 and 579,516.73

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Solution

The fourth proportional to 1,015,298.35, 1,400,934.09 and 579,516.73 is: 799,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,298.35 : 1,400,934.09 = 579,516.73 : x
  2. Step 2: Convert to fraction form
    1,015,298.35/1,400,934.09 = 579,516.73/x
  3. Step 3: Cross multiply
    1,015,298.35x = 1,400,934.09 × 579,516.73
  4. Step 4: Simplify right side
    1,015,298.35x = 811,864,742,782.33
  5. Step 5: Solve for x
    x = 811,864,742,782.33/1,015,298.35
  6. Step 6: Final answer
    x = 799,631.70

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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.