Home / 1,128,741.48-1,693,008.54-380,793.96

Finding the Fourth Proportional to 1,128,741.48, 1,693,008.54 and 380,793.96

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Solution

The fourth proportional to 1,128,741.48, 1,693,008.54 and 380,793.96 is: 571,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,741.48 : 1,693,008.54 = 380,793.96 : x
  2. Step 2: Convert to fraction form
    1,128,741.48/1,693,008.54 = 380,793.96/x
  3. Step 3: Cross multiply
    1,128,741.48x = 1,693,008.54 × 380,793.96
  4. Step 4: Simplify right side
    1,128,741.48x = 644,687,426,260.42
  5. Step 5: Solve for x
    x = 644,687,426,260.42/1,128,741.48
  6. Step 6: Final answer
    x = 571,155.96

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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.