Home / 1,781,177.80-2,671,766.70-1,070,840.20

Finding the Fourth Proportional to 1,781,177.80, 2,671,766.70 and 1,070,840.20

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Solution

The fourth proportional to 1,781,177.80, 2,671,766.70 and 1,070,840.20 is: 1,606,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,177.80 : 2,671,766.70 = 1,070,840.20 : x
  2. Step 2: Convert to fraction form
    1,781,177.80/2,671,766.70 = 1,070,840.20/x
  3. Step 3: Cross multiply
    1,781,177.80x = 2,671,766.70 × 1,070,840.20
  4. Step 4: Simplify right side
    1,781,177.80x = 2,861,035,187,381.34
  5. Step 5: Solve for x
    x = 2,861,035,187,381.34/1,781,177.80
  6. Step 6: Final answer
    x = 1,606,260.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.