Home / 1,340,091.13-1,849,319.69-728,232.32

Finding the Fourth Proportional to 1,340,091.13, 1,849,319.69 and 728,232.32

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Solution

The fourth proportional to 1,340,091.13, 1,849,319.69 and 728,232.32 is: 1,004,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,091.13 : 1,849,319.69 = 728,232.32 : x
  2. Step 2: Convert to fraction form
    1,340,091.13/1,849,319.69 = 728,232.32/x
  3. Step 3: Cross multiply
    1,340,091.13x = 1,849,319.69 × 728,232.32
  4. Step 4: Simplify right side
    1,340,091.13x = 1,346,734,359,023.78
  5. Step 5: Solve for x
    x = 1,346,734,359,023.78/1,340,091.13
  6. Step 6: Final answer
    x = 1,004,957.30

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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.