Home / 1,316,246.88-1,972,921.22-860,650.24

Finding the Fourth Proportional to 1,316,246.88, 1,972,921.22 and 860,650.24

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Solution

The fourth proportional to 1,316,246.88, 1,972,921.22 and 860,650.24 is: 1,290,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,246.88 : 1,972,921.22 = 860,650.24 : x
  2. Step 2: Convert to fraction form
    1,316,246.88/1,972,921.22 = 860,650.24/x
  3. Step 3: Cross multiply
    1,316,246.88x = 1,972,921.22 × 860,650.24
  4. Step 4: Simplify right side
    1,316,246.88x = 1,697,995,121,494.09
  5. Step 5: Solve for x
    x = 1,697,995,121,494.09/1,316,246.88
  6. Step 6: Final answer
    x = 1,290,027.84

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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.