Home / 1,142,660.03-1,576,860.56-626,443.39

Finding the Fourth Proportional to 1,142,660.03, 1,576,860.56 and 626,443.39

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Solution

The fourth proportional to 1,142,660.03, 1,576,860.56 and 626,443.39 is: 864,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,660.03 : 1,576,860.56 = 626,443.39 : x
  2. Step 2: Convert to fraction form
    1,142,660.03/1,576,860.56 = 626,443.39/x
  3. Step 3: Cross multiply
    1,142,660.03x = 1,576,860.56 × 626,443.39
  4. Step 4: Simplify right side
    1,142,660.03x = 987,813,866,879.40
  5. Step 5: Solve for x
    x = 987,813,866,879.40/1,142,660.03
  6. Step 6: Final answer
    x = 864,486.23

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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.