Home / 1,294,669.30-1,942,003.95-823,443.70

Finding the Fourth Proportional to 1,294,669.30, 1,942,003.95 and 823,443.70

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Solution

The fourth proportional to 1,294,669.30, 1,942,003.95 and 823,443.70 is: 1,235,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,669.30 : 1,942,003.95 = 823,443.70 : x
  2. Step 2: Convert to fraction form
    1,294,669.30/1,942,003.95 = 823,443.70/x
  3. Step 3: Cross multiply
    1,294,669.30x = 1,942,003.95 × 823,443.70
  4. Step 4: Simplify right side
    1,294,669.30x = 1,599,130,918,002.62
  5. Step 5: Solve for x
    x = 1,599,130,918,002.62/1,294,669.30
  6. Step 6: Final answer
    x = 1,235,165.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.