Home / 1,091,553.40-1,637,330.10-1,042,564.60

Finding the Fourth Proportional to 1,091,553.40, 1,637,330.10 and 1,042,564.60

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Solution

The fourth proportional to 1,091,553.40, 1,637,330.10 and 1,042,564.60 is: 1,563,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,553.40 : 1,637,330.10 = 1,042,564.60 : x
  2. Step 2: Convert to fraction form
    1,091,553.40/1,637,330.10 = 1,042,564.60/x
  3. Step 3: Cross multiply
    1,091,553.40x = 1,637,330.10 × 1,042,564.60
  4. Step 4: Simplify right side
    1,091,553.40x = 1,707,022,400,774.46
  5. Step 5: Solve for x
    x = 1,707,022,400,774.46/1,091,553.40
  6. Step 6: Final answer
    x = 1,563,846.90

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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.