Home / 1,110,420.72-1,532,287.40-651,486.96

Finding the Fourth Proportional to 1,110,420.72, 1,532,287.40 and 651,486.96

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Solution

The fourth proportional to 1,110,420.72, 1,532,287.40 and 651,486.96 is: 898,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,420.72 : 1,532,287.40 = 651,486.96 : x
  2. Step 2: Convert to fraction form
    1,110,420.72/1,532,287.40 = 651,486.96/x
  3. Step 3: Cross multiply
    1,110,420.72x = 1,532,287.40 × 651,486.96
  4. Step 4: Simplify right side
    1,110,420.72x = 998,265,256,814.87
  5. Step 5: Solve for x
    x = 998,265,256,814.87/1,110,420.72
  6. Step 6: Final answer
    x = 898,997.32

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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.