Home / 1,551,211.68-2,140,157.52-1,264,238.40

Finding the Fourth Proportional to 1,551,211.68, 2,140,157.52 and 1,264,238.40

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Solution

The fourth proportional to 1,551,211.68, 2,140,157.52 and 1,264,238.40 is: 1,744,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,211.68 : 2,140,157.52 = 1,264,238.40 : x
  2. Step 2: Convert to fraction form
    1,551,211.68/2,140,157.52 = 1,264,238.40/x
  3. Step 3: Cross multiply
    1,551,211.68x = 2,140,157.52 × 1,264,238.40
  4. Step 4: Simplify right side
    1,551,211.68x = 2,705,669,318,832.77
  5. Step 5: Solve for x
    x = 2,705,669,318,832.77/1,551,211.68
  6. Step 6: Final answer
    x = 1,744,229.59

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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.