Home / 1,007,826.12-1,390,831.90-548,954.48

Finding the Fourth Proportional to 1,007,826.12, 1,390,831.90 and 548,954.48

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Solution

The fourth proportional to 1,007,826.12, 1,390,831.90 and 548,954.48 is: 757,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,826.12 : 1,390,831.90 = 548,954.48 : x
  2. Step 2: Convert to fraction form
    1,007,826.12/1,390,831.90 = 548,954.48/x
  3. Step 3: Cross multiply
    1,007,826.12x = 1,390,831.90 × 548,954.48
  4. Step 4: Simplify right side
    1,007,826.12x = 763,503,402,431.91
  5. Step 5: Solve for x
    x = 763,503,402,431.91/1,007,826.12
  6. Step 6: Final answer
    x = 757,574.53

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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.