Home / 1,230,076.80-1,845,374.40-519,739.20

Finding the Fourth Proportional to 1,230,076.80, 1,845,374.40 and 519,739.20

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Solution

The fourth proportional to 1,230,076.80, 1,845,374.40 and 519,739.20 is: 779,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,076.80 : 1,845,374.40 = 519,739.20 : x
  2. Step 2: Convert to fraction form
    1,230,076.80/1,845,374.40 = 519,739.20/x
  3. Step 3: Cross multiply
    1,230,076.80x = 1,845,374.40 × 519,739.20
  4. Step 4: Simplify right side
    1,230,076.80x = 959,113,414,356.48
  5. Step 5: Solve for x
    x = 959,113,414,356.48/1,230,076.80
  6. Step 6: Final answer
    x = 779,718.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.