Home / 1,368,895.66-2,051,895.51-515,598.12

Finding the Fourth Proportional to 1,368,895.66, 2,051,895.51 and 515,598.12

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Solution

The fourth proportional to 1,368,895.66, 2,051,895.51 and 515,598.12 is: 772,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,895.66 : 2,051,895.51 = 515,598.12 : x
  2. Step 2: Convert to fraction form
    1,368,895.66/2,051,895.51 = 515,598.12/x
  3. Step 3: Cross multiply
    1,368,895.66x = 2,051,895.51 × 515,598.12
  4. Step 4: Simplify right side
    1,368,895.66x = 1,057,953,459,446.33
  5. Step 5: Solve for x
    x = 1,057,953,459,446.33/1,368,895.66
  6. Step 6: Final answer
    x = 772,851.79

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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.