Home / 1,792,904.70-2,690,149.02-939,772.20

Finding the Fourth Proportional to 1,792,904.70, 2,690,149.02 and 939,772.20

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Solution

The fourth proportional to 1,792,904.70, 2,690,149.02 and 939,772.20 is: 1,410,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,904.70 : 2,690,149.02 = 939,772.20 : x
  2. Step 2: Convert to fraction form
    1,792,904.70/2,690,149.02 = 939,772.20/x
  3. Step 3: Cross multiply
    1,792,904.70x = 2,690,149.02 × 939,772.20
  4. Step 4: Simplify right side
    1,792,904.70x = 2,528,127,262,853.24
  5. Step 5: Solve for x
    x = 2,528,127,262,853.24/1,792,904.70
  6. Step 6: Final answer
    x = 1,410,073.42

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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.