Home / 977,133.20-1,463,626.20-811,245.20

Finding the Fourth Proportional to 977,133.20, 1,463,626.20 and 811,245.20

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Solution

The fourth proportional to 977,133.20, 1,463,626.20 and 811,245.20 is: 1,215,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,133.20 : 1,463,626.20 = 811,245.20 : x
  2. Step 2: Convert to fraction form
    977,133.20/1,463,626.20 = 811,245.20/x
  3. Step 3: Cross multiply
    977,133.20x = 1,463,626.20 × 811,245.20
  4. Step 4: Simplify right side
    977,133.20x = 1,187,359,729,344.24
  5. Step 5: Solve for x
    x = 1,187,359,729,344.24/977,133.20
  6. Step 6: Final answer
    x = 1,215,146.24

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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.