Home / 1,071,165.22-1,476,863.01-784,187.08

Finding the Fourth Proportional to 1,071,165.22, 1,476,863.01 and 784,187.08

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Solution

The fourth proportional to 1,071,165.22, 1,476,863.01 and 784,187.08 is: 1,081,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,165.22 : 1,476,863.01 = 784,187.08 : x
  2. Step 2: Convert to fraction form
    1,071,165.22/1,476,863.01 = 784,187.08/x
  3. Step 3: Cross multiply
    1,071,165.22x = 1,476,863.01 × 784,187.08
  4. Step 4: Simplify right side
    1,071,165.22x = 1,158,136,887,679.75
  5. Step 5: Solve for x
    x = 1,158,136,887,679.75/1,071,165.22
  6. Step 6: Final answer
    x = 1,081,193.52

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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.