Home / 1,138,007.76-1,707,098.76-339,228.24

Finding the Fourth Proportional to 1,138,007.76, 1,707,098.76 and 339,228.24

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Solution

The fourth proportional to 1,138,007.76, 1,707,098.76 and 339,228.24 is: 508,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,007.76 : 1,707,098.76 = 339,228.24 : x
  2. Step 2: Convert to fraction form
    1,138,007.76/1,707,098.76 = 339,228.24/x
  3. Step 3: Cross multiply
    1,138,007.76x = 1,707,098.76 × 339,228.24
  4. Step 4: Simplify right side
    1,138,007.76x = 579,096,107,860.98
  5. Step 5: Solve for x
    x = 579,096,107,860.98/1,138,007.76
  6. Step 6: Final answer
    x = 508,868.33

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1.5x scale

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.