Home / 1,326,988.02-1,990,483.41-329,716.02

Finding the Fourth Proportional to 1,326,988.02, 1,990,483.41 and 329,716.02

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Solution

The fourth proportional to 1,326,988.02, 1,990,483.41 and 329,716.02 is: 494,574.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,988.02 : 1,990,483.41 = 329,716.02 : x
  2. Step 2: Convert to fraction form
    1,326,988.02/1,990,483.41 = 329,716.02/x
  3. Step 3: Cross multiply
    1,326,988.02x = 1,990,483.41 × 329,716.02
  4. Step 4: Simplify right side
    1,326,988.02x = 656,294,267,821.23
  5. Step 5: Solve for x
    x = 656,294,267,821.23/1,326,988.02
  6. Step 6: Final answer
    x = 494,574.37

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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.