Home / 1,199,392.65-1,798,477.69-400,387.05

Finding the Fourth Proportional to 1,199,392.65, 1,798,477.69 and 400,387.05

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Solution

The fourth proportional to 1,199,392.65, 1,798,477.69 and 400,387.05 is: 600,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,392.65 : 1,798,477.69 = 400,387.05 : x
  2. Step 2: Convert to fraction form
    1,199,392.65/1,798,477.69 = 400,387.05/x
  3. Step 3: Cross multiply
    1,199,392.65x = 1,798,477.69 × 400,387.05
  4. Step 4: Simplify right side
    1,199,392.65x = 720,087,176,789.91
  5. Step 5: Solve for x
    x = 720,087,176,789.91/1,199,392.65
  6. Step 6: Final answer
    x = 600,376.51

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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.