Home / 1,074,965.57-1,612,681.64-326,992.13

Finding the Fourth Proportional to 1,074,965.57, 1,612,681.64 and 326,992.13

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Solution

The fourth proportional to 1,074,965.57, 1,612,681.64 and 326,992.13 is: 490,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,965.57 : 1,612,681.64 = 326,992.13 : x
  2. Step 2: Convert to fraction form
    1,074,965.57/1,612,681.64 = 326,992.13/x
  3. Step 3: Cross multiply
    1,074,965.57x = 1,612,681.64 × 326,992.13
  4. Step 4: Simplify right side
    1,074,965.57x = 527,334,194,777.12
  5. Step 5: Solve for x
    x = 527,334,194,777.12/1,074,965.57
  6. Step 6: Final answer
    x = 490,559.15

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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.