Home / 1,432,035.65-1,976,216.23-787,497.59

Finding the Fourth Proportional to 1,432,035.65, 1,976,216.23 and 787,497.59

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Solution

The fourth proportional to 1,432,035.65, 1,976,216.23 and 787,497.59 is: 1,086,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,035.65 : 1,976,216.23 = 787,497.59 : x
  2. Step 2: Convert to fraction form
    1,432,035.65/1,976,216.23 = 787,497.59/x
  3. Step 3: Cross multiply
    1,432,035.65x = 1,976,216.23 × 787,497.59
  4. Step 4: Simplify right side
    1,432,035.65x = 1,556,265,524,368.80
  5. Step 5: Solve for x
    x = 1,556,265,524,368.80/1,432,035.65
  6. Step 6: Final answer
    x = 1,086,750.54

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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.