Home / 1,317,927.70-1,974,634.85-719,308.91

Finding the Fourth Proportional to 1,317,927.70, 1,974,634.85 and 719,308.91

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Solution

The fourth proportional to 1,317,927.70, 1,974,634.85 and 719,308.91 is: 1,077,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,927.70 : 1,974,634.85 = 719,308.91 : x
  2. Step 2: Convert to fraction form
    1,317,927.70/1,974,634.85 = 719,308.91/x
  3. Step 3: Cross multiply
    1,317,927.70x = 1,974,634.85 × 719,308.91
  4. Step 4: Simplify right side
    1,317,927.70x = 1,420,372,441,601.51
  5. Step 5: Solve for x
    x = 1,420,372,441,601.51/1,317,927.70
  6. Step 6: Final answer
    x = 1,077,731.69

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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.