Home / 1,522,722.40-2,101,356.61-910,900.94

Finding the Fourth Proportional to 1,522,722.40, 2,101,356.61 and 910,900.94

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Solution

The fourth proportional to 1,522,722.40, 2,101,356.61 and 910,900.94 is: 1,257,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,722.40 : 2,101,356.61 = 910,900.94 : x
  2. Step 2: Convert to fraction form
    1,522,722.40/2,101,356.61 = 910,900.94/x
  3. Step 3: Cross multiply
    1,522,722.40x = 2,101,356.61 × 910,900.94
  4. Step 4: Simplify right side
    1,522,722.40x = 1,914,127,698,540.18
  5. Step 5: Solve for x
    x = 1,914,127,698,540.18/1,522,722.40
  6. Step 6: Final answer
    x = 1,257,043.11

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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.