Home / 1,143,932.22-1,578,572.96-627,674.47

Finding the Fourth Proportional to 1,143,932.22, 1,578,572.96 and 627,674.47

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Solution

The fourth proportional to 1,143,932.22, 1,578,572.96 and 627,674.47 is: 866,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,932.22 : 1,578,572.96 = 627,674.47 : x
  2. Step 2: Convert to fraction form
    1,143,932.22/1,578,572.96 = 627,674.47/x
  3. Step 3: Cross multiply
    1,143,932.22x = 1,578,572.96 × 627,674.47
  4. Step 4: Simplify right side
    1,143,932.22x = 990,829,938,939.53
  5. Step 5: Solve for x
    x = 990,829,938,939.53/1,143,932.22
  6. Step 6: Final answer
    x = 866,161.41

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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.