Home / 1,005,164.28-1,507,804.20-322,111.26

Finding the Fourth Proportional to 1,005,164.28, 1,507,804.20 and 322,111.26

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Solution

The fourth proportional to 1,005,164.28, 1,507,804.20 and 322,111.26 is: 483,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,164.28 : 1,507,804.20 = 322,111.26 : x
  2. Step 2: Convert to fraction form
    1,005,164.28/1,507,804.20 = 322,111.26/x
  3. Step 3: Cross multiply
    1,005,164.28x = 1,507,804.20 × 322,111.26
  4. Step 4: Simplify right side
    1,005,164.28x = 485,680,710,695.29
  5. Step 5: Solve for x
    x = 485,680,710,695.29/1,005,164.28
  6. Step 6: Final answer
    x = 483,185.41

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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.