Home / 1,377,719.26-2,066,617.76-380,447.26

Finding the Fourth Proportional to 1,377,719.26, 2,066,617.76 and 380,447.26

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Solution

The fourth proportional to 1,377,719.26, 2,066,617.76 and 380,447.26 is: 570,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,719.26 : 2,066,617.76 = 380,447.26 : x
  2. Step 2: Convert to fraction form
    1,377,719.26/2,066,617.76 = 380,447.26/x
  3. Step 3: Cross multiply
    1,377,719.26x = 2,066,617.76 × 380,447.26
  4. Step 4: Simplify right side
    1,377,719.26x = 786,239,064,259.34
  5. Step 5: Solve for x
    x = 786,239,064,259.34/1,377,719.26
  6. Step 6: Final answer
    x = 570,681.62

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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.