Home / 1,261,811.60-1,741,326.36-688,875.92

Finding the Fourth Proportional to 1,261,811.60, 1,741,326.36 and 688,875.92

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Solution

The fourth proportional to 1,261,811.60, 1,741,326.36 and 688,875.92 is: 950,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,811.60 : 1,741,326.36 = 688,875.92 : x
  2. Step 2: Convert to fraction form
    1,261,811.60/1,741,326.36 = 688,875.92/x
  3. Step 3: Cross multiply
    1,261,811.60x = 1,741,326.36 × 688,875.92
  4. Step 4: Simplify right side
    1,261,811.60x = 1,199,557,798,265.25
  5. Step 5: Solve for x
    x = 1,199,557,798,265.25/1,261,811.60
  6. Step 6: Final answer
    x = 950,663.16

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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.