Home / 1,420,926.98-1,960,856.03-776,333.30

Finding the Fourth Proportional to 1,420,926.98, 1,960,856.03 and 776,333.30

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Solution

The fourth proportional to 1,420,926.98, 1,960,856.03 and 776,333.30 is: 1,071,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,926.98 : 1,960,856.03 = 776,333.30 : x
  2. Step 2: Convert to fraction form
    1,420,926.98/1,960,856.03 = 776,333.30/x
  3. Step 3: Cross multiply
    1,420,926.98x = 1,960,856.03 × 776,333.30
  4. Step 4: Simplify right side
    1,420,926.98x = 1,522,277,818,908.85
  5. Step 5: Solve for x
    x = 1,522,277,818,908.85/1,420,926.98
  6. Step 6: Final answer
    x = 1,071,327.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.