Home / 1,283,380.70-1,926,963.45-715,870.59

Finding the Fourth Proportional to 1,283,380.70, 1,926,963.45 and 715,870.59

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Solution

The fourth proportional to 1,283,380.70, 1,926,963.45 and 715,870.59 is: 1,074,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,380.70 : 1,926,963.45 = 715,870.59 : x
  2. Step 2: Convert to fraction form
    1,283,380.70/1,926,963.45 = 715,870.59/x
  3. Step 3: Cross multiply
    1,283,380.70x = 1,926,963.45 × 715,870.59
  4. Step 4: Simplify right side
    1,283,380.70x = 1,379,456,461,859.94
  5. Step 5: Solve for x
    x = 1,379,456,461,859.94/1,283,380.70
  6. Step 6: Final answer
    x = 1,074,861.47

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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.