Home / 1,307,265.12-1,959,503.76-745,089.12

Finding the Fourth Proportional to 1,307,265.12, 1,959,503.76 and 745,089.12

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Solution

The fourth proportional to 1,307,265.12, 1,959,503.76 and 745,089.12 is: 1,116,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,265.12 : 1,959,503.76 = 745,089.12 : x
  2. Step 2: Convert to fraction form
    1,307,265.12/1,959,503.76 = 745,089.12/x
  3. Step 3: Cross multiply
    1,307,265.12x = 1,959,503.76 × 745,089.12
  4. Step 4: Simplify right side
    1,307,265.12x = 1,460,004,932,175.09
  5. Step 5: Solve for x
    x = 1,460,004,932,175.09/1,307,265.12
  6. Step 6: Final answer
    x = 1,116,839.20

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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.