Home / 1,453,482.87-2,005,786.78-808,902.90

Finding the Fourth Proportional to 1,453,482.87, 2,005,786.78 and 808,902.90

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Solution

The fourth proportional to 1,453,482.87, 2,005,786.78 and 808,902.90 is: 1,116,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,482.87 : 2,005,786.78 = 808,902.90 : x
  2. Step 2: Convert to fraction form
    1,453,482.87/2,005,786.78 = 808,902.90/x
  3. Step 3: Cross multiply
    1,453,482.87x = 2,005,786.78 × 808,902.90
  4. Step 4: Simplify right side
    1,453,482.87x = 1,622,486,743,123.66
  5. Step 5: Solve for x
    x = 1,622,486,743,123.66/1,453,482.87
  6. Step 6: Final answer
    x = 1,116,275.10

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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.