Home / 1,088,831.80-1,633,247.70-788,678.20

Finding the Fourth Proportional to 1,088,831.80, 1,633,247.70 and 788,678.20

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Solution

The fourth proportional to 1,088,831.80, 1,633,247.70 and 788,678.20 is: 1,183,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,831.80 : 1,633,247.70 = 788,678.20 : x
  2. Step 2: Convert to fraction form
    1,088,831.80/1,633,247.70 = 788,678.20/x
  3. Step 3: Cross multiply
    1,088,831.80x = 1,633,247.70 × 788,678.20
  4. Step 4: Simplify right side
    1,088,831.80x = 1,288,106,856,190.14
  5. Step 5: Solve for x
    x = 1,288,106,856,190.14/1,088,831.80
  6. Step 6: Final answer
    x = 1,183,017.30

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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.