Home / 1,407,456.67-1,942,497.73-891,257.70

Finding the Fourth Proportional to 1,407,456.67, 1,942,497.73 and 891,257.70

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Solution

The fourth proportional to 1,407,456.67, 1,942,497.73 and 891,257.70 is: 1,230,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,456.67 : 1,942,497.73 = 891,257.70 : x
  2. Step 2: Convert to fraction form
    1,407,456.67/1,942,497.73 = 891,257.70/x
  3. Step 3: Cross multiply
    1,407,456.67x = 1,942,497.73 × 891,257.70
  4. Step 4: Simplify right side
    1,407,456.67x = 1,731,266,047,154.39
  5. Step 5: Solve for x
    x = 1,731,266,047,154.39/1,407,456.67
  6. Step 6: Final answer
    x = 1,230,067.03

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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.