Home / 1,387,190.26-2,081,966.37-546,332.50

Finding the Fourth Proportional to 1,387,190.26, 2,081,966.37 and 546,332.50

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Solution

The fourth proportional to 1,387,190.26, 2,081,966.37 and 546,332.50 is: 819,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,190.26 : 2,081,966.37 = 546,332.50 : x
  2. Step 2: Convert to fraction form
    1,387,190.26/2,081,966.37 = 546,332.50/x
  3. Step 3: Cross multiply
    1,387,190.26x = 2,081,966.37 × 546,332.50
  4. Step 4: Simplify right side
    1,387,190.26x = 1,137,445,891,838.03
  5. Step 5: Solve for x
    x = 1,137,445,891,838.03/1,387,190.26
  6. Step 6: Final answer
    x = 819,963.87

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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.