Home / 1,178,353.32-1,626,174.54-669,103.08

Finding the Fourth Proportional to 1,178,353.32, 1,626,174.54 and 669,103.08

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Solution

The fourth proportional to 1,178,353.32, 1,626,174.54 and 669,103.08 is: 923,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,353.32 : 1,626,174.54 = 669,103.08 : x
  2. Step 2: Convert to fraction form
    1,178,353.32/1,626,174.54 = 669,103.08/x
  3. Step 3: Cross multiply
    1,178,353.32x = 1,626,174.54 × 669,103.08
  4. Step 4: Simplify right side
    1,178,353.32x = 1,088,078,393,331.58
  5. Step 5: Solve for x
    x = 1,088,078,393,331.58/1,178,353.32
  6. Step 6: Final answer
    x = 923,388.91

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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.