Home / 1,428,944.87-2,142,965.59-469,242.26

Finding the Fourth Proportional to 1,428,944.87, 2,142,965.59 and 469,242.26

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Solution

The fourth proportional to 1,428,944.87, 2,142,965.59 and 469,242.26 is: 703,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,944.87 : 2,142,965.59 = 469,242.26 : x
  2. Step 2: Convert to fraction form
    1,428,944.87/2,142,965.59 = 469,242.26/x
  3. Step 3: Cross multiply
    1,428,944.87x = 2,142,965.59 × 469,242.26
  4. Step 4: Simplify right side
    1,428,944.87x = 1,005,570,026,075.95
  5. Step 5: Solve for x
    x = 1,005,570,026,075.95/1,428,944.87
  6. Step 6: Final answer
    x = 703,715.06

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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.