Home / 1,023,651.66-1,535,422.12-313,681.76

Finding the Fourth Proportional to 1,023,651.66, 1,535,422.12 and 313,681.76

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Solution

The fourth proportional to 1,023,651.66, 1,535,422.12 and 313,681.76 is: 470,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,651.66 : 1,535,422.12 = 313,681.76 : x
  2. Step 2: Convert to fraction form
    1,023,651.66/1,535,422.12 = 313,681.76/x
  3. Step 3: Cross multiply
    1,023,651.66x = 1,535,422.12 × 313,681.76
  4. Step 4: Simplify right side
    1,023,651.66x = 481,633,912,944.53
  5. Step 5: Solve for x
    x = 481,633,912,944.53/1,023,651.66
  6. Step 6: Final answer
    x = 470,505.67

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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.