Home / 1,149,743-1,724,881.33-391,591.05

Finding the Fourth Proportional to 1,149,743, 1,724,881.33 and 391,591.05

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Solution

The fourth proportional to 1,149,743, 1,724,881.33 and 391,591.05 is: 587,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,743 : 1,724,881.33 = 391,591.05 : x
  2. Step 2: Convert to fraction form
    1,149,743/1,724,881.33 = 391,591.05/x
  3. Step 3: Cross multiply
    1,149,743x = 1,724,881.33 × 391,591.05
  4. Step 4: Simplify right side
    1,149,743x = 675,448,091,140.10
  5. Step 5: Solve for x
    x = 675,448,091,140.10/1,149,743
  6. Step 6: Final answer
    x = 587,477.45

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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.