Home / 1,427,601.50-1,970,265.06-823,989.50

Finding the Fourth Proportional to 1,427,601.50, 1,970,265.06 and 823,989.50

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Solution

The fourth proportional to 1,427,601.50, 1,970,265.06 and 823,989.50 is: 1,137,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,601.50 : 1,970,265.06 = 823,989.50 : x
  2. Step 2: Convert to fraction form
    1,427,601.50/1,970,265.06 = 823,989.50/x
  3. Step 3: Cross multiply
    1,427,601.50x = 1,970,265.06 × 823,989.50
  4. Step 4: Simplify right side
    1,427,601.50x = 1,623,477,721,656.87
  5. Step 5: Solve for x
    x = 1,623,477,721,656.87/1,427,601.50
  6. Step 6: Final answer
    x = 1,137,206.51

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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.