Home / 1,118,118.80-1,677,178.20-996,813.20

Finding the Fourth Proportional to 1,118,118.80, 1,677,178.20 and 996,813.20

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Solution

The fourth proportional to 1,118,118.80, 1,677,178.20 and 996,813.20 is: 1,495,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,118.80 : 1,677,178.20 = 996,813.20 : x
  2. Step 2: Convert to fraction form
    1,118,118.80/1,677,178.20 = 996,813.20/x
  3. Step 3: Cross multiply
    1,118,118.80x = 1,677,178.20 × 996,813.20
  4. Step 4: Simplify right side
    1,118,118.80x = 1,671,833,368,512.24
  5. Step 5: Solve for x
    x = 1,671,833,368,512.24/1,118,118.80
  6. Step 6: Final answer
    x = 1,495,219.80

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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.