Home / 1,052,181.80-1,578,272.70-387,247.40

Finding the Fourth Proportional to 1,052,181.80, 1,578,272.70 and 387,247.40

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Solution

The fourth proportional to 1,052,181.80, 1,578,272.70 and 387,247.40 is: 580,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,181.80 : 1,578,272.70 = 387,247.40 : x
  2. Step 2: Convert to fraction form
    1,052,181.80/1,578,272.70 = 387,247.40/x
  3. Step 3: Cross multiply
    1,052,181.80x = 1,578,272.70 × 387,247.40
  4. Step 4: Simplify right side
    1,052,181.80x = 611,181,999,565.98
  5. Step 5: Solve for x
    x = 611,181,999,565.98/1,052,181.80
  6. Step 6: Final answer
    x = 580,871.10

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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.