Home / 1,323,006.80-1,985,287.80-481,643.60

Finding the Fourth Proportional to 1,323,006.80, 1,985,287.80 and 481,643.60

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Solution

The fourth proportional to 1,323,006.80, 1,985,287.80 and 481,643.60 is: 722,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,006.80 : 1,985,287.80 = 481,643.60 : x
  2. Step 2: Convert to fraction form
    1,323,006.80/1,985,287.80 = 481,643.60/x
  3. Step 3: Cross multiply
    1,323,006.80x = 1,985,287.80 × 481,643.60
  4. Step 4: Simplify right side
    1,323,006.80x = 956,201,163,028.08
  5. Step 5: Solve for x
    x = 956,201,163,028.08/1,323,006.80
  6. Step 6: Final answer
    x = 722,748.49

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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.