Home / 1,050,001.57-1,449,110.82-642,374.74

Finding the Fourth Proportional to 1,050,001.57, 1,449,110.82 and 642,374.74

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Solution

The fourth proportional to 1,050,001.57, 1,449,110.82 and 642,374.74 is: 886,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,001.57 : 1,449,110.82 = 642,374.74 : x
  2. Step 2: Convert to fraction form
    1,050,001.57/1,449,110.82 = 642,374.74/x
  3. Step 3: Cross multiply
    1,050,001.57x = 1,449,110.82 × 642,374.74
  4. Step 4: Simplify right side
    1,050,001.57x = 930,872,186,228.69
  5. Step 5: Solve for x
    x = 930,872,186,228.69/1,050,001.57
  6. Step 6: Final answer
    x = 886,543.61

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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.