Home / 1,485,507.17-2,050,016.37-840,913.22

Finding the Fourth Proportional to 1,485,507.17, 2,050,016.37 and 840,913.22

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Solution

The fourth proportional to 1,485,507.17, 2,050,016.37 and 840,913.22 is: 1,160,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,507.17 : 2,050,016.37 = 840,913.22 : x
  2. Step 2: Convert to fraction form
    1,485,507.17/2,050,016.37 = 840,913.22/x
  3. Step 3: Cross multiply
    1,485,507.17x = 2,050,016.37 × 840,913.22
  4. Step 4: Simplify right side
    1,485,507.17x = 1,723,885,866,749.41
  5. Step 5: Solve for x
    x = 1,723,885,866,749.41/1,485,507.17
  6. Step 6: Final answer
    x = 1,160,469.57

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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.