Home / 1,237,689.12-1,855,460.34-479,008.34

Finding the Fourth Proportional to 1,237,689.12, 1,855,460.34 and 479,008.34

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Solution

The fourth proportional to 1,237,689.12, 1,855,460.34 and 479,008.34 is: 718,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,689.12 : 1,855,460.34 = 479,008.34 : x
  2. Step 2: Convert to fraction form
    1,237,689.12/1,855,460.34 = 479,008.34/x
  3. Step 3: Cross multiply
    1,237,689.12x = 1,855,460.34 × 479,008.34
  4. Step 4: Simplify right side
    1,237,689.12x = 888,780,968,121.93
  5. Step 5: Solve for x
    x = 888,780,968,121.93/1,237,689.12
  6. Step 6: Final answer
    x = 718,097.10

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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.