Home / 1,403,418.78-2,105,292.96-492,322.86

Finding the Fourth Proportional to 1,403,418.78, 2,105,292.96 and 492,322.86

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Solution

The fourth proportional to 1,403,418.78, 2,105,292.96 and 492,322.86 is: 738,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,418.78 : 2,105,292.96 = 492,322.86 : x
  2. Step 2: Convert to fraction form
    1,403,418.78/2,105,292.96 = 492,322.86/x
  3. Step 3: Cross multiply
    1,403,418.78x = 2,105,292.96 × 492,322.86
  4. Step 4: Simplify right side
    1,403,418.78x = 1,036,483,851,205.07
  5. Step 5: Solve for x
    x = 1,036,483,851,205.07/1,403,418.78
  6. Step 6: Final answer
    x = 738,542.10

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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.