Home / 1,271,833.61-1,755,110.43-698,861.48

Finding the Fourth Proportional to 1,271,833.61, 1,755,110.43 and 698,861.48

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Solution

The fourth proportional to 1,271,833.61, 1,755,110.43 and 698,861.48 is: 964,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,833.61 : 1,755,110.43 = 698,861.48 : x
  2. Step 2: Convert to fraction form
    1,271,833.61/1,755,110.43 = 698,861.48/x
  3. Step 3: Cross multiply
    1,271,833.61x = 1,755,110.43 × 698,861.48
  4. Step 4: Simplify right side
    1,271,833.61x = 1,226,579,063,897.68
  5. Step 5: Solve for x
    x = 1,226,579,063,897.68/1,271,833.61
  6. Step 6: Final answer
    x = 964,417.88

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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.