Home / 1,081,266.48-1,492,190.10-718,064.10

Finding the Fourth Proportional to 1,081,266.48, 1,492,190.10 and 718,064.10

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Solution

The fourth proportional to 1,081,266.48, 1,492,190.10 and 718,064.10 is: 990,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,266.48 : 1,492,190.10 = 718,064.10 : x
  2. Step 2: Convert to fraction form
    1,081,266.48/1,492,190.10 = 718,064.10/x
  3. Step 3: Cross multiply
    1,081,266.48x = 1,492,190.10 × 718,064.10
  4. Step 4: Simplify right side
    1,081,266.48x = 1,071,488,141,185.41
  5. Step 5: Solve for x
    x = 1,071,488,141,185.41/1,081,266.48
  6. Step 6: Final answer
    x = 990,956.59

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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.