Home / 1,091,201.70-1,636,802.55-996,723.30

Finding the Fourth Proportional to 1,091,201.70, 1,636,802.55 and 996,723.30

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Solution

The fourth proportional to 1,091,201.70, 1,636,802.55 and 996,723.30 is: 1,495,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,201.70 : 1,636,802.55 = 996,723.30 : x
  2. Step 2: Convert to fraction form
    1,091,201.70/1,636,802.55 = 996,723.30/x
  3. Step 3: Cross multiply
    1,091,201.70x = 1,636,802.55 × 996,723.30
  4. Step 4: Simplify right side
    1,091,201.70x = 1,631,439,239,084.42
  5. Step 5: Solve for x
    x = 1,631,439,239,084.42/1,091,201.70
  6. Step 6: Final answer
    x = 1,495,084.95

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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.