Home / 1,211,741.70-1,817,612.55-1,025,117.70

Finding the Fourth Proportional to 1,211,741.70, 1,817,612.55 and 1,025,117.70

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Solution

The fourth proportional to 1,211,741.70, 1,817,612.55 and 1,025,117.70 is: 1,537,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,741.70 : 1,817,612.55 = 1,025,117.70 : x
  2. Step 2: Convert to fraction form
    1,211,741.70/1,817,612.55 = 1,025,117.70/x
  3. Step 3: Cross multiply
    1,211,741.70x = 1,817,612.55 × 1,025,117.70
  4. Step 4: Simplify right side
    1,211,741.70x = 1,863,266,796,747.14
  5. Step 5: Solve for x
    x = 1,863,266,796,747.14/1,211,741.70
  6. Step 6: Final answer
    x = 1,537,676.55

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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.