Home / 1,110,638.80-1,665,569.40-577,982.80

Finding the Fourth Proportional to 1,110,638.80, 1,665,569.40 and 577,982.80

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Solution

The fourth proportional to 1,110,638.80, 1,665,569.40 and 577,982.80 is: 866,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,638.80 : 1,665,569.40 = 577,982.80 : x
  2. Step 2: Convert to fraction form
    1,110,638.80/1,665,569.40 = 577,982.80/x
  3. Step 3: Cross multiply
    1,110,638.80x = 1,665,569.40 × 577,982.80
  4. Step 4: Simplify right side
    1,110,638.80x = 962,670,465,406.32
  5. Step 5: Solve for x
    x = 962,670,465,406.32/1,110,638.80
  6. Step 6: Final answer
    x = 866,771.87

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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.