Home / 1,539,090.72-2,123,932.32-860,027.76

Finding the Fourth Proportional to 1,539,090.72, 2,123,932.32 and 860,027.76

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Solution

The fourth proportional to 1,539,090.72, 2,123,932.32 and 860,027.76 is: 1,186,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,090.72 : 2,123,932.32 = 860,027.76 : x
  2. Step 2: Convert to fraction form
    1,539,090.72/2,123,932.32 = 860,027.76/x
  3. Step 3: Cross multiply
    1,539,090.72x = 2,123,932.32 × 860,027.76
  4. Step 4: Simplify right side
    1,539,090.72x = 1,826,640,755,561.20
  5. Step 5: Solve for x
    x = 1,826,640,755,561.20/1,539,090.72
  6. Step 6: Final answer
    x = 1,186,831.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.