Home / 1,276,889.04-1,915,897.78-669,532.32

Finding the Fourth Proportional to 1,276,889.04, 1,915,897.78 and 669,532.32

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Solution

The fourth proportional to 1,276,889.04, 1,915,897.78 and 669,532.32 is: 1,004,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,889.04 : 1,915,897.78 = 669,532.32 : x
  2. Step 2: Convert to fraction form
    1,276,889.04/1,915,897.78 = 669,532.32/x
  3. Step 3: Cross multiply
    1,276,889.04x = 1,915,897.78 × 669,532.32
  4. Step 4: Simplify right side
    1,276,889.04x = 1,282,755,485,526.25
  5. Step 5: Solve for x
    x = 1,282,755,485,526.25/1,276,889.04
  6. Step 6: Final answer
    x = 1,004,594.33

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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.