Home / 1,376,155.56-1,899,081.48-772,539.24

Finding the Fourth Proportional to 1,376,155.56, 1,899,081.48 and 772,539.24

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Solution

The fourth proportional to 1,376,155.56, 1,899,081.48 and 772,539.24 is: 1,066,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,155.56 : 1,899,081.48 = 772,539.24 : x
  2. Step 2: Convert to fraction form
    1,376,155.56/1,899,081.48 = 772,539.24/x
  3. Step 3: Cross multiply
    1,376,155.56x = 1,899,081.48 × 772,539.24
  4. Step 4: Simplify right side
    1,376,155.56x = 1,467,114,963,257.28
  5. Step 5: Solve for x
    x = 1,467,114,963,257.28/1,376,155.56
  6. Step 6: Final answer
    x = 1,066,096.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.