Home / 1,415,011.78-2,122,849.82-468,382.50

Finding the Fourth Proportional to 1,415,011.78, 2,122,849.82 and 468,382.50

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Solution

The fourth proportional to 1,415,011.78, 2,122,849.82 and 468,382.50 is: 702,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,011.78 : 2,122,849.82 = 468,382.50 : x
  2. Step 2: Convert to fraction form
    1,415,011.78/2,122,849.82 = 468,382.50/x
  3. Step 3: Cross multiply
    1,415,011.78x = 2,122,849.82 × 468,382.50
  4. Step 4: Simplify right side
    1,415,011.78x = 994,305,706,987.11
  5. Step 5: Solve for x
    x = 994,305,706,987.11/1,415,011.78
  6. Step 6: Final answer
    x = 702,683.70

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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.