Home / 1,432,253.48-1,976,470.32-787,673.66

Finding the Fourth Proportional to 1,432,253.48, 1,976,470.32 and 787,673.66

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Solution

The fourth proportional to 1,432,253.48, 1,976,470.32 and 787,673.66 is: 1,086,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,253.48 : 1,976,470.32 = 787,673.66 : x
  2. Step 2: Convert to fraction form
    1,432,253.48/1,976,470.32 = 787,673.66/x
  3. Step 3: Cross multiply
    1,432,253.48x = 1,976,470.32 × 787,673.66
  4. Step 4: Simplify right side
    1,432,253.48x = 1,556,813,610,835.77
  5. Step 5: Solve for x
    x = 1,556,813,610,835.77/1,432,253.48
  6. Step 6: Final answer
    x = 1,086,967.94

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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.