Home / 1,071,534.12-1,606,882.26-388,258.66

Finding the Fourth Proportional to 1,071,534.12, 1,606,882.26 and 388,258.66

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Solution

The fourth proportional to 1,071,534.12, 1,606,882.26 and 388,258.66 is: 582,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,534.12 : 1,606,882.26 = 388,258.66 : x
  2. Step 2: Convert to fraction form
    1,071,534.12/1,606,882.26 = 388,258.66/x
  3. Step 3: Cross multiply
    1,071,534.12x = 1,606,882.26 × 388,258.66
  4. Step 4: Simplify right side
    1,071,534.12x = 623,885,953,045.37
  5. Step 5: Solve for x
    x = 623,885,953,045.37/1,071,534.12
  6. Step 6: Final answer
    x = 582,236.20

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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.