Home / 755,643.32-1,133,907.86-542,181.18

Finding the Fourth Proportional to 755,643.32, 1,133,907.86 and 542,181.18

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Solution

The fourth proportional to 755,643.32, 1,133,907.86 and 542,181.18 is: 813,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,643.32 : 1,133,907.86 = 542,181.18 : x
  2. Step 2: Convert to fraction form
    755,643.32/1,133,907.86 = 542,181.18/x
  3. Step 3: Cross multiply
    755,643.32x = 1,133,907.86 × 542,181.18
  4. Step 4: Simplify right side
    755,643.32x = 614,783,498,835.17
  5. Step 5: Solve for x
    x = 614,783,498,835.17/755,643.32
  6. Step 6: Final answer
    x = 813,589.54

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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.