Home / 1,165,039.88-1,606,926.67-777,659.94

Finding the Fourth Proportional to 1,165,039.88, 1,606,926.67 and 777,659.94

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Solution

The fourth proportional to 1,165,039.88, 1,606,926.67 and 777,659.94 is: 1,072,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,039.88 : 1,606,926.67 = 777,659.94 : x
  2. Step 2: Convert to fraction form
    1,165,039.88/1,606,926.67 = 777,659.94/x
  3. Step 3: Cross multiply
    1,165,039.88x = 1,606,926.67 × 777,659.94
  4. Step 4: Simplify right side
    1,165,039.88x = 1,249,642,495,832.45
  5. Step 5: Solve for x
    x = 1,249,642,495,832.45/1,165,039.88
  6. Step 6: Final answer
    x = 1,072,617.79

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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.