Home / 1,325,145-1,828,700.10-721,533

Finding the Fourth Proportional to 1,325,145, 1,828,700.10 and 721,533

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Solution

The fourth proportional to 1,325,145, 1,828,700.10 and 721,533 is: 995,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,145 : 1,828,700.10 = 721,533 : x
  2. Step 2: Convert to fraction form
    1,325,145/1,828,700.10 = 721,533/x
  3. Step 3: Cross multiply
    1,325,145x = 1,828,700.10 × 721,533
  4. Step 4: Simplify right side
    1,325,145x = 1,319,467,469,253.30
  5. Step 5: Solve for x
    x = 1,319,467,469,253.30/1,325,145
  6. Step 6: Final answer
    x = 995,715.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.