Home / 1,021,068.64-1,531,831.38-311,152.24

Finding the Fourth Proportional to 1,021,068.64, 1,531,831.38 and 311,152.24

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Solution

The fourth proportional to 1,021,068.64, 1,531,831.38 and 311,152.24 is: 466,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,068.64 : 1,531,831.38 = 311,152.24 : x
  2. Step 2: Convert to fraction form
    1,021,068.64/1,531,831.38 = 311,152.24/x
  3. Step 3: Cross multiply
    1,021,068.64x = 1,531,831.38 × 311,152.24
  4. Step 4: Simplify right side
    1,021,068.64x = 476,632,765,189.29
  5. Step 5: Solve for x
    x = 476,632,765,189.29/1,021,068.64
  6. Step 6: Final answer
    x = 466,797.97

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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.