Home / 1,298,831.96-1,947,908.96-387,801.57

Finding the Fourth Proportional to 1,298,831.96, 1,947,908.96 and 387,801.57

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Solution

The fourth proportional to 1,298,831.96, 1,947,908.96 and 387,801.57 is: 581,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,831.96 : 1,947,908.96 = 387,801.57 : x
  2. Step 2: Convert to fraction form
    1,298,831.96/1,947,908.96 = 387,801.57/x
  3. Step 3: Cross multiply
    1,298,831.96x = 1,947,908.96 × 387,801.57
  4. Step 4: Simplify right side
    1,298,831.96x = 755,402,159,724.97
  5. Step 5: Solve for x
    x = 755,402,159,724.97/1,298,831.96
  6. Step 6: Final answer
    x = 581,601.15

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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.