Home / 1,879,022.49-2,818,509.12-459,090.87

Finding the Fourth Proportional to 1,879,022.49, 2,818,509.12 and 459,090.87

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Solution

The fourth proportional to 1,879,022.49, 2,818,509.12 and 459,090.87 is: 688,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,022.49 : 2,818,509.12 = 459,090.87 : x
  2. Step 2: Convert to fraction form
    1,879,022.49/2,818,509.12 = 459,090.87/x
  3. Step 3: Cross multiply
    1,879,022.49x = 2,818,509.12 × 459,090.87
  4. Step 4: Simplify right side
    1,879,022.49x = 1,293,951,804,003.73
  5. Step 5: Solve for x
    x = 1,293,951,804,003.73/1,879,022.49
  6. Step 6: Final answer
    x = 688,630.29

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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.