Home / 1,320,090.48-1,979,818.47-609,435.90

Finding the Fourth Proportional to 1,320,090.48, 1,979,818.47 and 609,435.90

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Solution

The fourth proportional to 1,320,090.48, 1,979,818.47 and 609,435.90 is: 914,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,090.48 : 1,979,818.47 = 609,435.90 : x
  2. Step 2: Convert to fraction form
    1,320,090.48/1,979,818.47 = 609,435.90/x
  3. Step 3: Cross multiply
    1,320,090.48x = 1,979,818.47 × 609,435.90
  4. Step 4: Simplify right side
    1,320,090.48x = 1,206,572,451,101.07
  5. Step 5: Solve for x
    x = 1,206,572,451,101.07/1,320,090.48
  6. Step 6: Final answer
    x = 914,007.39

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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.