Home / 1,585,011.97-2,187,315.39-859,859.82

Finding the Fourth Proportional to 1,585,011.97, 2,187,315.39 and 859,859.82

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Solution

The fourth proportional to 1,585,011.97, 2,187,315.39 and 859,859.82 is: 1,186,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,011.97 : 2,187,315.39 = 859,859.82 : x
  2. Step 2: Convert to fraction form
    1,585,011.97/2,187,315.39 = 859,859.82/x
  3. Step 3: Cross multiply
    1,585,011.97x = 2,187,315.39 × 859,859.82
  4. Step 4: Simplify right side
    1,585,011.97x = 1,880,784,602,292.75
  5. Step 5: Solve for x
    x = 1,880,784,602,292.75/1,585,011.97
  6. Step 6: Final answer
    x = 1,186,605.93

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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.