Home / 1,354,428.05-1,869,039.18-773,536.25

Finding the Fourth Proportional to 1,354,428.05, 1,869,039.18 and 773,536.25

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Solution

The fourth proportional to 1,354,428.05, 1,869,039.18 and 773,536.25 is: 1,067,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,428.05 : 1,869,039.18 = 773,536.25 : x
  2. Step 2: Convert to fraction form
    1,354,428.05/1,869,039.18 = 773,536.25/x
  3. Step 3: Cross multiply
    1,354,428.05x = 1,869,039.18 × 773,536.25
  4. Step 4: Simplify right side
    1,354,428.05x = 1,445,769,549,055.08
  5. Step 5: Solve for x
    x = 1,445,769,549,055.08/1,354,428.05
  6. Step 6: Final answer
    x = 1,067,439.17

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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.