Home / 1,447,363.90-1,997,601.33-802,991.70

Finding the Fourth Proportional to 1,447,363.90, 1,997,601.33 and 802,991.70

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Solution

The fourth proportional to 1,447,363.90, 1,997,601.33 and 802,991.70 is: 1,108,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,363.90 : 1,997,601.33 = 802,991.70 : x
  2. Step 2: Convert to fraction form
    1,447,363.90/1,997,601.33 = 802,991.70/x
  3. Step 3: Cross multiply
    1,447,363.90x = 1,997,601.33 × 802,991.70
  4. Step 4: Simplify right side
    1,447,363.90x = 1,604,057,287,898.96
  5. Step 5: Solve for x
    x = 1,604,057,287,898.96/1,447,363.90
  6. Step 6: Final answer
    x = 1,108,261.22

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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.