Home / 1,377,371.40-2,066,057.10-747,515.40

Finding the Fourth Proportional to 1,377,371.40, 2,066,057.10 and 747,515.40

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Solution

The fourth proportional to 1,377,371.40, 2,066,057.10 and 747,515.40 is: 1,121,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,371.40 : 2,066,057.10 = 747,515.40 : x
  2. Step 2: Convert to fraction form
    1,377,371.40/2,066,057.10 = 747,515.40/x
  3. Step 3: Cross multiply
    1,377,371.40x = 2,066,057.10 × 747,515.40
  4. Step 4: Simplify right side
    1,377,371.40x = 1,544,409,499,529.34
  5. Step 5: Solve for x
    x = 1,544,409,499,529.34/1,377,371.40
  6. Step 6: Final answer
    x = 1,121,273.10

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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.