Home / 1,387,411.22-2,081,033.79-376,510.79

Finding the Fourth Proportional to 1,387,411.22, 2,081,033.79 and 376,510.79

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Solution

The fourth proportional to 1,387,411.22, 2,081,033.79 and 376,510.79 is: 564,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,411.22 : 2,081,033.79 = 376,510.79 : x
  2. Step 2: Convert to fraction form
    1,387,411.22/2,081,033.79 = 376,510.79/x
  3. Step 3: Cross multiply
    1,387,411.22x = 2,081,033.79 × 376,510.79
  4. Step 4: Simplify right side
    1,387,411.22x = 783,531,681,492.18
  5. Step 5: Solve for x
    x = 783,531,681,492.18/1,387,411.22
  6. Step 6: Final answer
    x = 564,743.65

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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.