Home / 1,453,231.32-2,005,228.08-808,649.52

Finding the Fourth Proportional to 1,453,231.32, 2,005,228.08 and 808,649.52

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Solution

The fourth proportional to 1,453,231.32, 2,005,228.08 and 808,649.52 is: 1,115,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,231.32 : 2,005,228.08 = 808,649.52 : x
  2. Step 2: Convert to fraction form
    1,453,231.32/2,005,228.08 = 808,649.52/x
  3. Step 3: Cross multiply
    1,453,231.32x = 2,005,228.08 × 808,649.52
  4. Step 4: Simplify right side
    1,453,231.32x = 1,621,526,724,382.52
  5. Step 5: Solve for x
    x = 1,621,526,724,382.52/1,453,231.32
  6. Step 6: Final answer
    x = 1,115,807.72

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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.