Home / 1,081,241.48-1,492,155.60-718,039.10

Finding the Fourth Proportional to 1,081,241.48, 1,492,155.60 and 718,039.10

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Solution

The fourth proportional to 1,081,241.48, 1,492,155.60 and 718,039.10 is: 990,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,241.48 : 1,492,155.60 = 718,039.10 : x
  2. Step 2: Convert to fraction form
    1,081,241.48/1,492,155.60 = 718,039.10/x
  3. Step 3: Cross multiply
    1,081,241.48x = 1,492,155.60 × 718,039.10
  4. Step 4: Simplify right side
    1,081,241.48x = 1,071,426,064,083.96
  5. Step 5: Solve for x
    x = 1,071,426,064,083.96/1,081,241.48
  6. Step 6: Final answer
    x = 990,922.09

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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.