Home / 1,368,652.80-2,054,145.60-611,659.20

Finding the Fourth Proportional to 1,368,652.80, 2,054,145.60 and 611,659.20

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Solution

The fourth proportional to 1,368,652.80, 2,054,145.60 and 611,659.20 is: 918,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,652.80 : 2,054,145.60 = 611,659.20 : x
  2. Step 2: Convert to fraction form
    1,368,652.80/2,054,145.60 = 611,659.20/x
  3. Step 3: Cross multiply
    1,368,652.80x = 2,054,145.60 × 611,659.20
  4. Step 4: Simplify right side
    1,368,652.80x = 1,256,437,054,379.52
  5. Step 5: Solve for x
    x = 1,256,437,054,379.52/1,368,652.80
  6. Step 6: Final answer
    x = 918,010.07

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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.