Home / 1,012,986.66-1,519,559.84-339,070.36

Finding the Fourth Proportional to 1,012,986.66, 1,519,559.84 and 339,070.36

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Solution

The fourth proportional to 1,012,986.66, 1,519,559.84 and 339,070.36 is: 508,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,986.66 : 1,519,559.84 = 339,070.36 : x
  2. Step 2: Convert to fraction form
    1,012,986.66/1,519,559.84 = 339,070.36/x
  3. Step 3: Cross multiply
    1,012,986.66x = 1,519,559.84 × 339,070.36
  4. Step 4: Simplify right side
    1,012,986.66x = 515,237,701,990.34
  5. Step 5: Solve for x
    x = 515,237,701,990.34/1,012,986.66
  6. Step 6: Final answer
    x = 508,632.27

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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.