Home / 1,487,216.28-2,052,388.80-808,196.52

Finding the Fourth Proportional to 1,487,216.28, 2,052,388.80 and 808,196.52

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Solution

The fourth proportional to 1,487,216.28, 2,052,388.80 and 808,196.52 is: 1,115,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,216.28 : 2,052,388.80 = 808,196.52 : x
  2. Step 2: Convert to fraction form
    1,487,216.28/2,052,388.80 = 808,196.52/x
  3. Step 3: Cross multiply
    1,487,216.28x = 2,052,388.80 × 808,196.52
  4. Step 4: Simplify right side
    1,487,216.28x = 1,658,733,485,846.98
  5. Step 5: Solve for x
    x = 1,658,733,485,846.98/1,487,216.28
  6. Step 6: Final answer
    x = 1,115,327.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.