Home / 1,349,905.40-2,024,882.10-403,287.80

Finding the Fourth Proportional to 1,349,905.40, 2,024,882.10 and 403,287.80

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Solution

The fourth proportional to 1,349,905.40, 2,024,882.10 and 403,287.80 is: 604,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,905.40 : 2,024,882.10 = 403,287.80 : x
  2. Step 2: Convert to fraction form
    1,349,905.40/2,024,882.10 = 403,287.80/x
  3. Step 3: Cross multiply
    1,349,905.40x = 2,024,882.10 × 403,287.80
  4. Step 4: Simplify right side
    1,349,905.40x = 816,610,247,368.38
  5. Step 5: Solve for x
    x = 816,610,247,368.38/1,349,905.40
  6. Step 6: Final answer
    x = 604,938.87

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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.