Home / 1,434,641.72-2,152,815.90-724,741.64

Finding the Fourth Proportional to 1,434,641.72, 2,152,815.90 and 724,741.64

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Solution

The fourth proportional to 1,434,641.72, 2,152,815.90 and 724,741.64 is: 1,087,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,641.72 : 2,152,815.90 = 724,741.64 : x
  2. Step 2: Convert to fraction form
    1,434,641.72/2,152,815.90 = 724,741.64/x
  3. Step 3: Cross multiply
    1,434,641.72x = 2,152,815.90 × 724,741.64
  4. Step 4: Simplify right side
    1,434,641.72x = 1,560,235,325,984.08
  5. Step 5: Solve for x
    x = 1,560,235,325,984.08/1,434,641.72
  6. Step 6: Final answer
    x = 1,087,543.53

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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.