Home / 1,218,560.08-1,681,083.50-734,856.43

Finding the Fourth Proportional to 1,218,560.08, 1,681,083.50 and 734,856.43

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Solution

The fourth proportional to 1,218,560.08, 1,681,083.50 and 734,856.43 is: 1,013,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,560.08 : 1,681,083.50 = 734,856.43 : x
  2. Step 2: Convert to fraction form
    1,218,560.08/1,681,083.50 = 734,856.43/x
  3. Step 3: Cross multiply
    1,218,560.08x = 1,681,083.50 × 734,856.43
  4. Step 4: Simplify right side
    1,218,560.08x = 1,235,355,011,464.91
  5. Step 5: Solve for x
    x = 1,235,355,011,464.91/1,218,560.08
  6. Step 6: Final answer
    x = 1,013,782.61

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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.