Home / 1,447,365.90-1,997,604.09-802,993.70

Finding the Fourth Proportional to 1,447,365.90, 1,997,604.09 and 802,993.70

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Solution

The fourth proportional to 1,447,365.90, 1,997,604.09 and 802,993.70 is: 1,108,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,365.90 : 1,997,604.09 = 802,993.70 : x
  2. Step 2: Convert to fraction form
    1,447,365.90/1,997,604.09 = 802,993.70/x
  3. Step 3: Cross multiply
    1,447,365.90x = 1,997,604.09 × 802,993.70
  4. Step 4: Simplify right side
    1,447,365.90x = 1,604,063,489,376.21
  5. Step 5: Solve for x
    x = 1,604,063,489,376.21/1,447,365.90
  6. Step 6: Final answer
    x = 1,108,263.98

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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.