Home / 1,407,456.42-1,942,497.38-891,257.45

Finding the Fourth Proportional to 1,407,456.42, 1,942,497.38 and 891,257.45

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Solution

The fourth proportional to 1,407,456.42, 1,942,497.38 and 891,257.45 is: 1,230,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,456.42 : 1,942,497.38 = 891,257.45 : x
  2. Step 2: Convert to fraction form
    1,407,456.42/1,942,497.38 = 891,257.45/x
  3. Step 3: Cross multiply
    1,407,456.42x = 1,942,497.38 × 891,257.45
  4. Step 4: Simplify right side
    1,407,456.42x = 1,731,265,254,046.14
  5. Step 5: Solve for x
    x = 1,731,265,254,046.14/1,407,456.42
  6. Step 6: Final answer
    x = 1,230,066.69

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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.