Home / 1,585,687.69-2,378,510.83-387,620.52

Finding the Fourth Proportional to 1,585,687.69, 2,378,510.83 and 387,620.52

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Solution

The fourth proportional to 1,585,687.69, 2,378,510.83 and 387,620.52 is: 581,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,687.69 : 2,378,510.83 = 387,620.52 : x
  2. Step 2: Convert to fraction form
    1,585,687.69/2,378,510.83 = 387,620.52/x
  3. Step 3: Cross multiply
    1,585,687.69x = 2,378,510.83 × 387,620.52
  4. Step 4: Simplify right side
    1,585,687.69x = 921,959,604,750.23
  5. Step 5: Solve for x
    x = 921,959,604,750.23/1,585,687.69
  6. Step 6: Final answer
    x = 581,425.72

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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.