Home / 1,512,684.88-2,087,505.48-824,356.93

Finding the Fourth Proportional to 1,512,684.88, 2,087,505.48 and 824,356.93

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Solution

The fourth proportional to 1,512,684.88, 2,087,505.48 and 824,356.93 is: 1,137,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,684.88 : 2,087,505.48 = 824,356.93 : x
  2. Step 2: Convert to fraction form
    1,512,684.88/2,087,505.48 = 824,356.93/x
  3. Step 3: Cross multiply
    1,512,684.88x = 2,087,505.48 × 824,356.93
  4. Step 4: Simplify right side
    1,512,684.88x = 1,720,849,608,850.98
  5. Step 5: Solve for x
    x = 1,720,849,608,850.98/1,512,684.88
  6. Step 6: Final answer
    x = 1,137,612.75

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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.