Home / 1,047,360.09-1,568,860.40-666,393.69

Finding the Fourth Proportional to 1,047,360.09, 1,568,860.40 and 666,393.69

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Solution

The fourth proportional to 1,047,360.09, 1,568,860.40 and 666,393.69 is: 998,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,360.09 : 1,568,860.40 = 666,393.69 : x
  2. Step 2: Convert to fraction form
    1,047,360.09/1,568,860.40 = 666,393.69/x
  3. Step 3: Cross multiply
    1,047,360.09x = 1,568,860.40 × 666,393.69
  4. Step 4: Simplify right side
    1,047,360.09x = 1,045,478,659,874.61
  5. Step 5: Solve for x
    x = 1,045,478,659,874.61/1,047,360.09
  6. Step 6: Final answer
    x = 998,203.65

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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.