Home / 1,490,173.81-2,235,594.03-543,544.53

Finding the Fourth Proportional to 1,490,173.81, 2,235,594.03 and 543,544.53

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Solution

The fourth proportional to 1,490,173.81, 2,235,594.03 and 543,544.53 is: 815,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,173.81 : 2,235,594.03 = 543,544.53 : x
  2. Step 2: Convert to fraction form
    1,490,173.81/2,235,594.03 = 543,544.53/x
  3. Step 3: Cross multiply
    1,490,173.81x = 2,235,594.03 × 543,544.53
  4. Step 4: Simplify right side
    1,490,173.81x = 1,215,144,895,885.39
  5. Step 5: Solve for x
    x = 1,215,144,895,885.39/1,490,173.81
  6. Step 6: Final answer
    x = 815,438.37

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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.