Home / 1,429,635.36-1,972,819.44-785,140.32

Finding the Fourth Proportional to 1,429,635.36, 1,972,819.44 and 785,140.32

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Solution

The fourth proportional to 1,429,635.36, 1,972,819.44 and 785,140.32 is: 1,083,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,635.36 : 1,972,819.44 = 785,140.32 : x
  2. Step 2: Convert to fraction form
    1,429,635.36/1,972,819.44 = 785,140.32/x
  3. Step 3: Cross multiply
    1,429,635.36x = 1,972,819.44 × 785,140.32
  4. Step 4: Simplify right side
    1,429,635.36x = 1,548,940,086,423.82
  5. Step 5: Solve for x
    x = 1,548,940,086,423.82/1,429,635.36
  6. Step 6: Final answer
    x = 1,083,451.16

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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.