Home / 1,447,356.90-1,997,591.68-802,984.69

Finding the Fourth Proportional to 1,447,356.90, 1,997,591.68 and 802,984.69

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Solution

The fourth proportional to 1,447,356.90, 1,997,591.68 and 802,984.69 is: 1,108,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,356.90 : 1,997,591.68 = 802,984.69 : x
  2. Step 2: Convert to fraction form
    1,447,356.90/1,997,591.68 = 802,984.69/x
  3. Step 3: Cross multiply
    1,447,356.90x = 1,997,591.68 × 802,984.69
  4. Step 4: Simplify right side
    1,447,356.90x = 1,604,035,534,895.31
  5. Step 5: Solve for x
    x = 1,604,035,534,895.31/1,447,356.90
  6. Step 6: Final answer
    x = 1,108,251.55

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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.