Home / 1,432,107.86-1,976,322.98-787,532.54

Finding the Fourth Proportional to 1,432,107.86, 1,976,322.98 and 787,532.54

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Solution

The fourth proportional to 1,432,107.86, 1,976,322.98 and 787,532.54 is: 1,086,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,107.86 : 1,976,322.98 = 787,532.54 : x
  2. Step 2: Convert to fraction form
    1,432,107.86/1,976,322.98 = 787,532.54/x
  3. Step 3: Cross multiply
    1,432,107.86x = 1,976,322.98 × 787,532.54
  4. Step 4: Simplify right side
    1,432,107.86x = 1,556,418,648,386.99
  5. Step 5: Solve for x
    x = 1,556,418,648,386.99/1,432,107.86
  6. Step 6: Final answer
    x = 1,086,802.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.