Home / 1,485,471.32-2,228,206.98-811,184.82

Finding the Fourth Proportional to 1,485,471.32, 2,228,206.98 and 811,184.82

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Solution

The fourth proportional to 1,485,471.32, 2,228,206.98 and 811,184.82 is: 1,216,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,471.32 : 2,228,206.98 = 811,184.82 : x
  2. Step 2: Convert to fraction form
    1,485,471.32/2,228,206.98 = 811,184.82/x
  3. Step 3: Cross multiply
    1,485,471.32x = 2,228,206.98 × 811,184.82
  4. Step 4: Simplify right side
    1,485,471.32x = 1,807,487,674,384.13
  5. Step 5: Solve for x
    x = 1,807,487,674,384.13/1,485,471.32
  6. Step 6: Final answer
    x = 1,216,777.23

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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.