Home / 1,149,415.98-1,724,267.10-391,199.17

Finding the Fourth Proportional to 1,149,415.98, 1,724,267.10 and 391,199.17

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Solution

The fourth proportional to 1,149,415.98, 1,724,267.10 and 391,199.17 is: 586,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,415.98 : 1,724,267.10 = 391,199.17 : x
  2. Step 2: Convert to fraction form
    1,149,415.98/1,724,267.10 = 391,199.17/x
  3. Step 3: Cross multiply
    1,149,415.98x = 1,724,267.10 × 391,199.17
  4. Step 4: Simplify right side
    1,149,415.98x = 674,531,858,378.31
  5. Step 5: Solve for x
    x = 674,531,858,378.31/1,149,415.98
  6. Step 6: Final answer
    x = 586,847.47

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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.