Home / 1,820,631.42-2,731,299.45-698,613.18

Finding the Fourth Proportional to 1,820,631.42, 2,731,299.45 and 698,613.18

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Solution

The fourth proportional to 1,820,631.42, 2,731,299.45 and 698,613.18 is: 1,048,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,631.42 : 2,731,299.45 = 698,613.18 : x
  2. Step 2: Convert to fraction form
    1,820,631.42/2,731,299.45 = 698,613.18/x
  3. Step 3: Cross multiply
    1,820,631.42x = 2,731,299.45 × 698,613.18
  4. Step 4: Simplify right side
    1,820,631.42x = 1,908,121,794,296.75
  5. Step 5: Solve for x
    x = 1,908,121,794,296.75/1,820,631.42
  6. Step 6: Final answer
    x = 1,048,054.96

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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.