Home / 1,440,059.76-1,985,793.96-1,236,783.76

Finding the Fourth Proportional to 1,440,059.76, 1,985,793.96 and 1,236,783.76

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Solution

The fourth proportional to 1,440,059.76, 1,985,793.96 and 1,236,783.76 is: 1,705,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,059.76 : 1,985,793.96 = 1,236,783.76 : x
  2. Step 2: Convert to fraction form
    1,440,059.76/1,985,793.96 = 1,236,783.76/x
  3. Step 3: Cross multiply
    1,440,059.76x = 1,985,793.96 × 1,236,783.76
  4. Step 4: Simplify right side
    1,440,059.76x = 2,455,997,720,434.09
  5. Step 5: Solve for x
    x = 2,455,997,720,434.09/1,440,059.76
  6. Step 6: Final answer
    x = 1,705,483.19

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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.