Home / 1,369,279.60-2,054,113.80-422,551.60

Finding the Fourth Proportional to 1,369,279.60, 2,054,113.80 and 422,551.60

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Solution

The fourth proportional to 1,369,279.60, 2,054,113.80 and 422,551.60 is: 633,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,279.60 : 2,054,113.80 = 422,551.60 : x
  2. Step 2: Convert to fraction form
    1,369,279.60/2,054,113.80 = 422,551.60/x
  3. Step 3: Cross multiply
    1,369,279.60x = 2,054,113.80 × 422,551.60
  4. Step 4: Simplify right side
    1,369,279.60x = 867,969,072,772.08
  5. Step 5: Solve for x
    x = 867,969,072,772.08/1,369,279.60
  6. Step 6: Final answer
    x = 633,887.39

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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.