Home / 1,009,424.64-1,514,143.20-299,458.56

Finding the Fourth Proportional to 1,009,424.64, 1,514,143.20 and 299,458.56

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Solution

The fourth proportional to 1,009,424.64, 1,514,143.20 and 299,458.56 is: 449,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,424.64 : 1,514,143.20 = 299,458.56 : x
  2. Step 2: Convert to fraction form
    1,009,424.64/1,514,143.20 = 299,458.56/x
  3. Step 3: Cross multiply
    1,009,424.64x = 1,514,143.20 × 299,458.56
  4. Step 4: Simplify right side
    1,009,424.64x = 453,423,142,305.79
  5. Step 5: Solve for x
    x = 453,423,142,305.79/1,009,424.64
  6. Step 6: Final answer
    x = 449,189.69

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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.