Home / 1,453,009.93-2,005,249.53-808,431.46

Finding the Fourth Proportional to 1,453,009.93, 2,005,249.53 and 808,431.46

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Solution

The fourth proportional to 1,453,009.93, 2,005,249.53 and 808,431.46 is: 1,115,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,009.93 : 2,005,249.53 = 808,431.46 : x
  2. Step 2: Convert to fraction form
    1,453,009.93/2,005,249.53 = 808,431.46/x
  3. Step 3: Cross multiply
    1,453,009.93x = 2,005,249.53 × 808,431.46
  4. Step 4: Simplify right side
    1,453,009.93x = 1,621,106,805,202.21
  5. Step 5: Solve for x
    x = 1,621,106,805,202.21/1,453,009.93
  6. Step 6: Final answer
    x = 1,115,688.73

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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.