Home / 1,123,457.80-1,682,562.30-1,100,907.40

Finding the Fourth Proportional to 1,123,457.80, 1,682,562.30 and 1,100,907.40

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Solution

The fourth proportional to 1,123,457.80, 1,682,562.30 and 1,100,907.40 is: 1,648,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,457.80 : 1,682,562.30 = 1,100,907.40 : x
  2. Step 2: Convert to fraction form
    1,123,457.80/1,682,562.30 = 1,100,907.40/x
  3. Step 3: Cross multiply
    1,123,457.80x = 1,682,562.30 × 1,100,907.40
  4. Step 4: Simplify right side
    1,123,457.80x = 1,852,345,287,031.02
  5. Step 5: Solve for x
    x = 1,852,345,287,031.02/1,123,457.80
  6. Step 6: Final answer
    x = 1,648,789.38

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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.