Home / 997,989.51-1,376,790.98-610,822.16

Finding the Fourth Proportional to 997,989.51, 1,376,790.98 and 610,822.16

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Solution

The fourth proportional to 997,989.51, 1,376,790.98 and 610,822.16 is: 842,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,989.51 : 1,376,790.98 = 610,822.16 : x
  2. Step 2: Convert to fraction form
    997,989.51/1,376,790.98 = 610,822.16/x
  3. Step 3: Cross multiply
    997,989.51x = 1,376,790.98 × 610,822.16
  4. Step 4: Simplify right side
    997,989.51x = 840,974,440,272.12
  5. Step 5: Solve for x
    x = 840,974,440,272.12/997,989.51
  6. Step 6: Final answer
    x = 842,668.62

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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.