Home / 1,520,227.61-2,097,881.73-831,896.69

Finding the Fourth Proportional to 1,520,227.61, 2,097,881.73 and 831,896.69

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Solution

The fourth proportional to 1,520,227.61, 2,097,881.73 and 831,896.69 is: 1,147,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,227.61 : 2,097,881.73 = 831,896.69 : x
  2. Step 2: Convert to fraction form
    1,520,227.61/2,097,881.73 = 831,896.69/x
  3. Step 3: Cross multiply
    1,520,227.61x = 2,097,881.73 × 831,896.69
  4. Step 4: Simplify right side
    1,520,227.61x = 1,745,220,872,070.23
  5. Step 5: Solve for x
    x = 1,745,220,872,070.23/1,520,227.61
  6. Step 6: Final answer
    x = 1,147,999.72

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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.