Home / 1,888,721.84-2,606,360.15-1,029,263.65

Finding the Fourth Proportional to 1,888,721.84, 2,606,360.15 and 1,029,263.65

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Solution

The fourth proportional to 1,888,721.84, 2,606,360.15 and 1,029,263.65 is: 1,420,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,721.84 : 2,606,360.15 = 1,029,263.65 : x
  2. Step 2: Convert to fraction form
    1,888,721.84/2,606,360.15 = 1,029,263.65/x
  3. Step 3: Cross multiply
    1,888,721.84x = 2,606,360.15 × 1,029,263.65
  4. Step 4: Simplify right side
    1,888,721.84x = 2,682,631,757,260.81
  5. Step 5: Solve for x
    x = 2,682,631,757,260.81/1,888,721.84
  6. Step 6: Final answer
    x = 1,420,342.42

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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.