Home / 1,123,357.80-1,685,036.70-449,543.10

Finding the Fourth Proportional to 1,123,357.80, 1,685,036.70 and 449,543.10

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Solution

The fourth proportional to 1,123,357.80, 1,685,036.70 and 449,543.10 is: 674,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,357.80 : 1,685,036.70 = 449,543.10 : x
  2. Step 2: Convert to fraction form
    1,123,357.80/1,685,036.70 = 449,543.10/x
  3. Step 3: Cross multiply
    1,123,357.80x = 1,685,036.70 × 449,543.10
  4. Step 4: Simplify right side
    1,123,357.80x = 757,496,621,731.77
  5. Step 5: Solve for x
    x = 757,496,621,731.77/1,123,357.80
  6. Step 6: Final answer
    x = 674,314.65

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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.