Home / 1,412,298.76-2,118,578.70-401,441.80

Finding the Fourth Proportional to 1,412,298.76, 2,118,578.70 and 401,441.80

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Solution

The fourth proportional to 1,412,298.76, 2,118,578.70 and 401,441.80 is: 602,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,298.76 : 2,118,578.70 = 401,441.80 : x
  2. Step 2: Convert to fraction form
    1,412,298.76/2,118,578.70 = 401,441.80/x
  3. Step 3: Cross multiply
    1,412,298.76x = 2,118,578.70 × 401,441.80
  4. Step 4: Simplify right side
    1,412,298.76x = 850,486,046,769.66
  5. Step 5: Solve for x
    x = 850,486,046,769.66/1,412,298.76
  6. Step 6: Final answer
    x = 602,199.81

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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.