Home / 1,423,084.80-1,963,903.50-811,226.37

Finding the Fourth Proportional to 1,423,084.80, 1,963,903.50 and 811,226.37

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Solution

The fourth proportional to 1,423,084.80, 1,963,903.50 and 811,226.37 is: 1,119,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,084.80 : 1,963,903.50 = 811,226.37 : x
  2. Step 2: Convert to fraction form
    1,423,084.80/1,963,903.50 = 811,226.37/x
  3. Step 3: Cross multiply
    1,423,084.80x = 1,963,903.50 × 811,226.37
  4. Step 4: Simplify right side
    1,423,084.80x = 1,593,170,307,335.30
  5. Step 5: Solve for x
    x = 1,593,170,307,335.30/1,423,084.80
  6. Step 6: Final answer
    x = 1,119,518.88

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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.