Home / 1,099,009.31-1,516,632.71-669,289.32

Finding the Fourth Proportional to 1,099,009.31, 1,516,632.71 and 669,289.32

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Solution

The fourth proportional to 1,099,009.31, 1,516,632.71 and 669,289.32 is: 923,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,009.31 : 1,516,632.71 = 669,289.32 : x
  2. Step 2: Convert to fraction form
    1,099,009.31/1,516,632.71 = 669,289.32/x
  3. Step 3: Cross multiply
    1,099,009.31x = 1,516,632.71 × 669,289.32
  4. Step 4: Simplify right side
    1,099,009.31x = 1,015,066,071,819.21
  5. Step 5: Solve for x
    x = 1,015,066,071,819.21/1,099,009.31
  6. Step 6: Final answer
    x = 923,619.18

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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.