Home / 1,512,745.88-2,087,550.80-824,435.42

Finding the Fourth Proportional to 1,512,745.88, 2,087,550.80 and 824,435.42

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Solution

The fourth proportional to 1,512,745.88, 2,087,550.80 and 824,435.42 is: 1,137,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,745.88 : 2,087,550.80 = 824,435.42 : x
  2. Step 2: Convert to fraction form
    1,512,745.88/2,087,550.80 = 824,435.42/x
  3. Step 3: Cross multiply
    1,512,745.88x = 2,087,550.80 × 824,435.42
  4. Step 4: Simplify right side
    1,512,745.88x = 1,721,050,820,569.34
  5. Step 5: Solve for x
    x = 1,721,050,820,569.34/1,512,745.88
  6. Step 6: Final answer
    x = 1,137,699.89

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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.