Home / 1,707,611.80-2,561,547.30-509,440.36

Finding the Fourth Proportional to 1,707,611.80, 2,561,547.30 and 509,440.36

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Solution

The fourth proportional to 1,707,611.80, 2,561,547.30 and 509,440.36 is: 764,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,611.80 : 2,561,547.30 = 509,440.36 : x
  2. Step 2: Convert to fraction form
    1,707,611.80/2,561,547.30 = 509,440.36/x
  3. Step 3: Cross multiply
    1,707,611.80x = 2,561,547.30 × 509,440.36
  4. Step 4: Simplify right side
    1,707,611.80x = 1,304,955,578,669.03
  5. Step 5: Solve for x
    x = 1,304,955,578,669.03/1,707,611.80
  6. Step 6: Final answer
    x = 764,199.20

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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.