Home / 1,434,743.10-1,980,160.74-1,090,011.76

Finding the Fourth Proportional to 1,434,743.10, 1,980,160.74 and 1,090,011.76

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Solution

The fourth proportional to 1,434,743.10, 1,980,160.74 and 1,090,011.76 is: 1,504,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,743.10 : 1,980,160.74 = 1,090,011.76 : x
  2. Step 2: Convert to fraction form
    1,434,743.10/1,980,160.74 = 1,090,011.76/x
  3. Step 3: Cross multiply
    1,434,743.10x = 1,980,160.74 × 1,090,011.76
  4. Step 4: Simplify right side
    1,434,743.10x = 2,158,398,493,290.30
  5. Step 5: Solve for x
    x = 2,158,398,493,290.30/1,434,743.10
  6. Step 6: Final answer
    x = 1,504,379.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.