Home / 1,219,167.23-1,681,812.90-753,872.35

Finding the Fourth Proportional to 1,219,167.23, 1,681,812.90 and 753,872.35

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Solution

The fourth proportional to 1,219,167.23, 1,681,812.90 and 753,872.35 is: 1,039,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,167.23 : 1,681,812.90 = 753,872.35 : x
  2. Step 2: Convert to fraction form
    1,219,167.23/1,681,812.90 = 753,872.35/x
  3. Step 3: Cross multiply
    1,219,167.23x = 1,681,812.90 × 753,872.35
  4. Step 4: Simplify right side
    1,219,167.23x = 1,267,872,240,011.92
  5. Step 5: Solve for x
    x = 1,267,872,240,011.92/1,219,167.23
  6. Step 6: Final answer
    x = 1,039,949.41

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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.