Home / 1,879,023.49-2,818,510.62-459,091.87

Finding the Fourth Proportional to 1,879,023.49, 2,818,510.62 and 459,091.87

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Solution

The fourth proportional to 1,879,023.49, 2,818,510.62 and 459,091.87 is: 688,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,023.49 : 2,818,510.62 = 459,091.87 : x
  2. Step 2: Convert to fraction form
    1,879,023.49/2,818,510.62 = 459,091.87/x
  3. Step 3: Cross multiply
    1,879,023.49x = 2,818,510.62 × 459,091.87
  4. Step 4: Simplify right side
    1,879,023.49x = 1,293,955,311,150.66
  5. Step 5: Solve for x
    x = 1,293,955,311,150.66/1,879,023.49
  6. Step 6: Final answer
    x = 688,631.79

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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.