Home / 1,345,963.50-1,857,363.75-802,087.11

Finding the Fourth Proportional to 1,345,963.50, 1,857,363.75 and 802,087.11

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Solution

The fourth proportional to 1,345,963.50, 1,857,363.75 and 802,087.11 is: 1,106,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,963.50 : 1,857,363.75 = 802,087.11 : x
  2. Step 2: Convert to fraction form
    1,345,963.50/1,857,363.75 = 802,087.11/x
  3. Step 3: Cross multiply
    1,345,963.50x = 1,857,363.75 × 802,087.11
  4. Step 4: Simplify right side
    1,345,963.50x = 1,489,767,522,456.26
  5. Step 5: Solve for x
    x = 1,489,767,522,456.26/1,345,963.50
  6. Step 6: Final answer
    x = 1,106,840.95

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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.