Home / 989,265.75-1,365,186.83-559,536.63

Finding the Fourth Proportional to 989,265.75, 1,365,186.83 and 559,536.63

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Solution

The fourth proportional to 989,265.75, 1,365,186.83 and 559,536.63 is: 772,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,265.75 : 1,365,186.83 = 559,536.63 : x
  2. Step 2: Convert to fraction form
    989,265.75/1,365,186.83 = 559,536.63/x
  3. Step 3: Cross multiply
    989,265.75x = 1,365,186.83 × 559,536.63
  4. Step 4: Simplify right side
    989,265.75x = 763,872,035,380.90
  5. Step 5: Solve for x
    x = 763,872,035,380.90/989,265.75
  6. Step 6: Final answer
    x = 772,160.60

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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.