Home / 1,406,553.30-2,109,887.55-409,281.30

Finding the Fourth Proportional to 1,406,553.30, 2,109,887.55 and 409,281.30

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Solution

The fourth proportional to 1,406,553.30, 2,109,887.55 and 409,281.30 is: 613,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,553.30 : 2,109,887.55 = 409,281.30 : x
  2. Step 2: Convert to fraction form
    1,406,553.30/2,109,887.55 = 409,281.30/x
  3. Step 3: Cross multiply
    1,406,553.30x = 2,109,887.55 × 409,281.30
  4. Step 4: Simplify right side
    1,406,553.30x = 863,537,519,317.82
  5. Step 5: Solve for x
    x = 863,537,519,317.82/1,406,553.30
  6. Step 6: Final answer
    x = 613,938.71

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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.