Home / 1,258,831.45-1,888,260.26-1,007,708.26

Finding the Fourth Proportional to 1,258,831.45, 1,888,260.26 and 1,007,708.26

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Solution

The fourth proportional to 1,258,831.45, 1,888,260.26 and 1,007,708.26 is: 1,511,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,831.45 : 1,888,260.26 = 1,007,708.26 : x
  2. Step 2: Convert to fraction form
    1,258,831.45/1,888,260.26 = 1,007,708.26/x
  3. Step 3: Cross multiply
    1,258,831.45x = 1,888,260.26 × 1,007,708.26
  4. Step 4: Simplify right side
    1,258,831.45x = 1,902,815,461,031.75
  5. Step 5: Solve for x
    x = 1,902,815,461,031.75/1,258,831.45
  6. Step 6: Final answer
    x = 1,511,572.87

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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.