Home / 1,320,834.02-1,979,868.36-552,771.81

Finding the Fourth Proportional to 1,320,834.02, 1,979,868.36 and 552,771.81

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Solution

The fourth proportional to 1,320,834.02, 1,979,868.36 and 552,771.81 is: 828,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,834.02 : 1,979,868.36 = 552,771.81 : x
  2. Step 2: Convert to fraction form
    1,320,834.02/1,979,868.36 = 552,771.81/x
  3. Step 3: Cross multiply
    1,320,834.02x = 1,979,868.36 × 552,771.81
  4. Step 4: Simplify right side
    1,320,834.02x = 1,094,415,416,918.93
  5. Step 5: Solve for x
    x = 1,094,415,416,918.93/1,320,834.02
  6. Step 6: Final answer
    x = 828,579.06

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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.