Home / 1,485,505.17-2,050,013.61-840,911.22

Finding the Fourth Proportional to 1,485,505.17, 2,050,013.61 and 840,911.22

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Solution

The fourth proportional to 1,485,505.17, 2,050,013.61 and 840,911.22 is: 1,160,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,505.17 : 2,050,013.61 = 840,911.22 : x
  2. Step 2: Convert to fraction form
    1,485,505.17/2,050,013.61 = 840,911.22/x
  3. Step 3: Cross multiply
    1,485,505.17x = 2,050,013.61 × 840,911.22
  4. Step 4: Simplify right side
    1,485,505.17x = 1,723,879,445,801.70
  5. Step 5: Solve for x
    x = 1,723,879,445,801.70/1,485,505.17
  6. Step 6: Final answer
    x = 1,160,466.81

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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.