Home / 1,325,885.70-1,988,828.55-759,015.30

Finding the Fourth Proportional to 1,325,885.70, 1,988,828.55 and 759,015.30

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Solution

The fourth proportional to 1,325,885.70, 1,988,828.55 and 759,015.30 is: 1,138,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,885.70 : 1,988,828.55 = 759,015.30 : x
  2. Step 2: Convert to fraction form
    1,325,885.70/1,988,828.55 = 759,015.30/x
  3. Step 3: Cross multiply
    1,325,885.70x = 1,988,828.55 × 759,015.30
  4. Step 4: Simplify right side
    1,325,885.70x = 1,509,551,298,526.82
  5. Step 5: Solve for x
    x = 1,509,551,298,526.82/1,325,885.70
  6. Step 6: Final answer
    x = 1,138,522.95

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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.