Home / 989,610.03-1,365,825.15-679,257.56

Finding the Fourth Proportional to 989,610.03, 1,365,825.15 and 679,257.56

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Solution

The fourth proportional to 989,610.03, 1,365,825.15 and 679,257.56 is: 937,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,610.03 : 1,365,825.15 = 679,257.56 : x
  2. Step 2: Convert to fraction form
    989,610.03/1,365,825.15 = 679,257.56/x
  3. Step 3: Cross multiply
    989,610.03x = 1,365,825.15 × 679,257.56
  4. Step 4: Simplify right side
    989,610.03x = 927,747,051,946.51
  5. Step 5: Solve for x
    x = 927,747,051,946.51/989,610.03
  6. Step 6: Final answer
    x = 937,487.52

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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.