Home / 1,434,334.89-1,979,389.38-822,510.71

Finding the Fourth Proportional to 1,434,334.89, 1,979,389.38 and 822,510.71

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Solution

The fourth proportional to 1,434,334.89, 1,979,389.38 and 822,510.71 is: 1,135,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,334.89 : 1,979,389.38 = 822,510.71 : x
  2. Step 2: Convert to fraction form
    1,434,334.89/1,979,389.38 = 822,510.71/x
  3. Step 3: Cross multiply
    1,434,334.89x = 1,979,389.38 × 822,510.71
  4. Step 4: Simplify right side
    1,434,334.89x = 1,628,068,964,310.26
  5. Step 5: Solve for x
    x = 1,628,068,964,310.26/1,434,334.89
  6. Step 6: Final answer
    x = 1,135,068.93

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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.