Home / 1,541,128.48-2,126,982.93-887,628.90

Finding the Fourth Proportional to 1,541,128.48, 2,126,982.93 and 887,628.90

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Solution

The fourth proportional to 1,541,128.48, 2,126,982.93 and 887,628.90 is: 1,225,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,128.48 : 2,126,982.93 = 887,628.90 : x
  2. Step 2: Convert to fraction form
    1,541,128.48/2,126,982.93 = 887,628.90/x
  3. Step 3: Cross multiply
    1,541,128.48x = 2,126,982.93 × 887,628.90
  4. Step 4: Simplify right side
    1,541,128.48x = 1,887,971,518,474.68
  5. Step 5: Solve for x
    x = 1,887,971,518,474.68/1,541,128.48
  6. Step 6: Final answer
    x = 1,225,057.83

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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.