Home / 1,178,365.08-1,626,162.78-669,081.24

Finding the Fourth Proportional to 1,178,365.08, 1,626,162.78 and 669,081.24

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Solution

The fourth proportional to 1,178,365.08, 1,626,162.78 and 669,081.24 is: 923,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,365.08 : 1,626,162.78 = 669,081.24 : x
  2. Step 2: Convert to fraction form
    1,178,365.08/1,626,162.78 = 669,081.24/x
  3. Step 3: Cross multiply
    1,178,365.08x = 1,626,162.78 × 669,081.24
  4. Step 4: Simplify right side
    1,178,365.08x = 1,088,035,009,284.25
  5. Step 5: Solve for x
    x = 1,088,035,009,284.25/1,178,365.08
  6. Step 6: Final answer
    x = 923,342.88

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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.