Home / 1,707,384.30-2,561,206.05-509,213.10

Finding the Fourth Proportional to 1,707,384.30, 2,561,206.05 and 509,213.10

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Solution

The fourth proportional to 1,707,384.30, 2,561,206.05 and 509,213.10 is: 763,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,384.30 : 2,561,206.05 = 509,213.10 : x
  2. Step 2: Convert to fraction form
    1,707,384.30/2,561,206.05 = 509,213.10/x
  3. Step 3: Cross multiply
    1,707,384.30x = 2,561,206.05 × 509,213.10
  4. Step 4: Simplify right side
    1,707,384.30x = 1,304,199,672,459.25
  5. Step 5: Solve for x
    x = 1,304,199,672,459.25/1,707,384.30
  6. Step 6: Final answer
    x = 763,858.30

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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.