Home / 1,689,149.90-2,330,998.06-914,774.45

Finding the Fourth Proportional to 1,689,149.90, 2,330,998.06 and 914,774.45

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Solution

The fourth proportional to 1,689,149.90, 2,330,998.06 and 914,774.45 is: 1,262,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,149.90 : 2,330,998.06 = 914,774.45 : x
  2. Step 2: Convert to fraction form
    1,689,149.90/2,330,998.06 = 914,774.45/x
  3. Step 3: Cross multiply
    1,689,149.90x = 2,330,998.06 × 914,774.45
  4. Step 4: Simplify right side
    1,689,149.90x = 2,132,337,463,713.69
  5. Step 5: Solve for x
    x = 2,132,337,463,713.69/1,689,149.90
  6. Step 6: Final answer
    x = 1,262,373.14

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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.