Home / 1,403,439.82-2,105,419.43-444,136.87

Finding the Fourth Proportional to 1,403,439.82, 2,105,419.43 and 444,136.87

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Solution

The fourth proportional to 1,403,439.82, 2,105,419.43 and 444,136.87 is: 666,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,439.82 : 2,105,419.43 = 444,136.87 : x
  2. Step 2: Convert to fraction form
    1,403,439.82/2,105,419.43 = 444,136.87/x
  3. Step 3: Cross multiply
    1,403,439.82x = 2,105,419.43 × 444,136.87
  4. Step 4: Simplify right side
    1,403,439.82x = 935,094,399,419.50
  5. Step 5: Solve for x
    x = 935,094,399,419.50/1,403,439.82
  6. Step 6: Final answer
    x = 666,287.49

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1.5x scale

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.