Home / 1,006,639.65-1,389,145.14-547,738.74

Finding the Fourth Proportional to 1,006,639.65, 1,389,145.14 and 547,738.74

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Solution

The fourth proportional to 1,006,639.65, 1,389,145.14 and 547,738.74 is: 755,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,639.65 : 1,389,145.14 = 547,738.74 : x
  2. Step 2: Convert to fraction form
    1,006,639.65/1,389,145.14 = 547,738.74/x
  3. Step 3: Cross multiply
    1,006,639.65x = 1,389,145.14 × 547,738.74
  4. Step 4: Simplify right side
    1,006,639.65x = 760,888,608,660.72
  5. Step 5: Solve for x
    x = 760,888,608,660.72/1,006,639.65
  6. Step 6: Final answer
    x = 755,869.90

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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.