Home / 1,553,004.55-2,143,141.90-873,941.05

Finding the Fourth Proportional to 1,553,004.55, 2,143,141.90 and 873,941.05

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Solution

The fourth proportional to 1,553,004.55, 2,143,141.90 and 873,941.05 is: 1,206,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,004.55 : 2,143,141.90 = 873,941.05 : x
  2. Step 2: Convert to fraction form
    1,553,004.55/2,143,141.90 = 873,941.05/x
  3. Step 3: Cross multiply
    1,553,004.55x = 2,143,141.90 × 873,941.05
  4. Step 4: Simplify right side
    1,553,004.55x = 1,872,979,682,385.00
  5. Step 5: Solve for x
    x = 1,872,979,682,385.00/1,553,004.55
  6. Step 6: Final answer
    x = 1,206,036.18

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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.