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Finding the Fourth Proportional to 999,838.96, 1,379,777.88 and 547,130

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Solution

The fourth proportional to 999,838.96, 1,379,777.88 and 547,130 is: 755,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,838.96 : 1,379,777.88 = 547,130 : x
  2. Step 2: Convert to fraction form
    999,838.96/1,379,777.88 = 547,130/x
  3. Step 3: Cross multiply
    999,838.96x = 1,379,777.88 × 547,130
  4. Step 4: Simplify right side
    999,838.96x = 754,917,871,484.40
  5. Step 5: Solve for x
    x = 754,917,871,484.40/999,838.96
  6. Step 6: Final answer
    x = 755,039.46

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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.