Home / 1,420,850.04-1,960,801.27-776,310.16

Finding the Fourth Proportional to 1,420,850.04, 1,960,801.27 and 776,310.16

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Solution

The fourth proportional to 1,420,850.04, 1,960,801.27 and 776,310.16 is: 1,071,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,850.04 : 1,960,801.27 = 776,310.16 : x
  2. Step 2: Convert to fraction form
    1,420,850.04/1,960,801.27 = 776,310.16/x
  3. Step 3: Cross multiply
    1,420,850.04x = 1,960,801.27 × 776,310.16
  4. Step 4: Simplify right side
    1,420,850.04x = 1,522,189,947,641.90
  5. Step 5: Solve for x
    x = 1,522,189,947,641.90/1,420,850.04
  6. Step 6: Final answer
    x = 1,071,323.44

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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.