Home / 1,254,862-1,731,942.84-718,318

Finding the Fourth Proportional to 1,254,862, 1,731,942.84 and 718,318

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Solution

The fourth proportional to 1,254,862, 1,731,942.84 and 718,318 is: 991,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,862 : 1,731,942.84 = 718,318 : x
  2. Step 2: Convert to fraction form
    1,254,862/1,731,942.84 = 718,318/x
  3. Step 3: Cross multiply
    1,254,862x = 1,731,942.84 × 718,318
  4. Step 4: Simplify right side
    1,254,862x = 1,244,085,716,943.12
  5. Step 5: Solve for x
    x = 1,244,085,716,943.12/1,254,862
  6. Step 6: Final answer
    x = 991,412.38

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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.