Home / 1,299,743.01-1,948,864.08-400,943.42

Finding the Fourth Proportional to 1,299,743.01, 1,948,864.08 and 400,943.42

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Solution

The fourth proportional to 1,299,743.01, 1,948,864.08 and 400,943.42 is: 601,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,743.01 : 1,948,864.08 = 400,943.42 : x
  2. Step 2: Convert to fraction form
    1,299,743.01/1,948,864.08 = 400,943.42/x
  3. Step 3: Cross multiply
    1,299,743.01x = 1,948,864.08 × 400,943.42
  4. Step 4: Simplify right side
    1,299,743.01x = 781,384,228,417.81
  5. Step 5: Solve for x
    x = 781,384,228,417.81/1,299,743.01
  6. Step 6: Final answer
    x = 601,183.64

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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.