Home / 1,902,476.70-2,854,142.73-640,267.74

Finding the Fourth Proportional to 1,902,476.70, 2,854,142.73 and 640,267.74

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Solution

The fourth proportional to 1,902,476.70, 2,854,142.73 and 640,267.74 is: 960,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,476.70 : 2,854,142.73 = 640,267.74 : x
  2. Step 2: Convert to fraction form
    1,902,476.70/2,854,142.73 = 640,267.74/x
  3. Step 3: Cross multiply
    1,902,476.70x = 2,854,142.73 × 640,267.74
  4. Step 4: Simplify right side
    1,902,476.70x = 1,827,415,515,374.53
  5. Step 5: Solve for x
    x = 1,827,415,515,374.53/1,902,476.70
  6. Step 6: Final answer
    x = 960,545.54

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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.