Home / 1,694,509.12-2,338,429.12-920,141.20

Finding the Fourth Proportional to 1,694,509.12, 2,338,429.12 and 920,141.20

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Solution

The fourth proportional to 1,694,509.12, 2,338,429.12 and 920,141.20 is: 1,269,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,509.12 : 2,338,429.12 = 920,141.20 : x
  2. Step 2: Convert to fraction form
    1,694,509.12/2,338,429.12 = 920,141.20/x
  3. Step 3: Cross multiply
    1,694,509.12x = 2,338,429.12 × 920,141.20
  4. Step 4: Simplify right side
    1,694,509.12x = 2,151,684,976,591.74
  5. Step 5: Solve for x
    x = 2,151,684,976,591.74/1,694,509.12
  6. Step 6: Final answer
    x = 1,269,798.40

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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.