Home / 1,423,165.60-2,123,570.46-1,336,304.72

Finding the Fourth Proportional to 1,423,165.60, 2,123,570.46 and 1,336,304.72

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Solution

The fourth proportional to 1,423,165.60, 2,123,570.46 and 1,336,304.72 is: 1,993,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,165.60 : 2,123,570.46 = 1,336,304.72 : x
  2. Step 2: Convert to fraction form
    1,423,165.60/2,123,570.46 = 1,336,304.72/x
  3. Step 3: Cross multiply
    1,423,165.60x = 2,123,570.46 × 1,336,304.72
  4. Step 4: Simplify right side
    1,423,165.60x = 2,837,737,234,259.50
  5. Step 5: Solve for x
    x = 2,837,737,234,259.50/1,423,165.60
  6. Step 6: Final answer
    x = 1,993,961.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.