Home / 1,237,620.90-1,856,172.15-606,987.30

Finding the Fourth Proportional to 1,237,620.90, 1,856,172.15 and 606,987.30

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Solution

The fourth proportional to 1,237,620.90, 1,856,172.15 and 606,987.30 is: 910,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,620.90 : 1,856,172.15 = 606,987.30 : x
  2. Step 2: Convert to fraction form
    1,237,620.90/1,856,172.15 = 606,987.30/x
  3. Step 3: Cross multiply
    1,237,620.90x = 1,856,172.15 × 606,987.30
  4. Step 4: Simplify right side
    1,237,620.90x = 1,126,672,921,663.70
  5. Step 5: Solve for x
    x = 1,126,672,921,663.70/1,237,620.90
  6. Step 6: Final answer
    x = 910,353.83

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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.