Home / 1,429,340.30-2,143,555.23-469,573.12

Finding the Fourth Proportional to 1,429,340.30, 2,143,555.23 and 469,573.12

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Solution

The fourth proportional to 1,429,340.30, 2,143,555.23 and 469,573.12 is: 704,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,340.30 : 2,143,555.23 = 469,573.12 : x
  2. Step 2: Convert to fraction form
    1,429,340.30/2,143,555.23 = 469,573.12/x
  3. Step 3: Cross multiply
    1,429,340.30x = 2,143,555.23 × 469,573.12
  4. Step 4: Simplify right side
    1,429,340.30x = 1,006,555,917,243.42
  5. Step 5: Solve for x
    x = 1,006,555,917,243.42/1,429,340.30
  6. Step 6: Final answer
    x = 704,210.13

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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.