Home / 1,360,932.77-1,878,072.36-749,072.42

Finding the Fourth Proportional to 1,360,932.77, 1,878,072.36 and 749,072.42

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Solution

The fourth proportional to 1,360,932.77, 1,878,072.36 and 749,072.42 is: 1,033,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,932.77 : 1,878,072.36 = 749,072.42 : x
  2. Step 2: Convert to fraction form
    1,360,932.77/1,878,072.36 = 749,072.42/x
  3. Step 3: Cross multiply
    1,360,932.77x = 1,878,072.36 × 749,072.42
  4. Step 4: Simplify right side
    1,360,932.77x = 1,406,812,207,640.31
  5. Step 5: Solve for x
    x = 1,406,812,207,640.31/1,360,932.77
  6. Step 6: Final answer
    x = 1,033,711.76

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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.