Home / 1,919,522.40-2,877,068.85-720,680.09

Finding the Fourth Proportional to 1,919,522.40, 2,877,068.85 and 720,680.09

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Solution

The fourth proportional to 1,919,522.40, 2,877,068.85 and 720,680.09 is: 1,080,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,522.40 : 2,877,068.85 = 720,680.09 : x
  2. Step 2: Convert to fraction form
    1,919,522.40/2,877,068.85 = 720,680.09/x
  3. Step 3: Cross multiply
    1,919,522.40x = 2,877,068.85 × 720,680.09
  4. Step 4: Simplify right side
    1,919,522.40x = 2,073,446,223,368.85
  5. Step 5: Solve for x
    x = 2,073,446,223,368.85/1,919,522.40
  6. Step 6: Final answer
    x = 1,080,188.60

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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.