Home / 1,376,588.32-2,066,143.14-703,141.76

Finding the Fourth Proportional to 1,376,588.32, 2,066,143.14 and 703,141.76

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Solution

The fourth proportional to 1,376,588.32, 2,066,143.14 and 703,141.76 is: 1,055,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,588.32 : 2,066,143.14 = 703,141.76 : x
  2. Step 2: Convert to fraction form
    1,376,588.32/2,066,143.14 = 703,141.76/x
  3. Step 3: Cross multiply
    1,376,588.32x = 2,066,143.14 × 703,141.76
  4. Step 4: Simplify right side
    1,376,588.32x = 1,452,791,529,036.88
  5. Step 5: Solve for x
    x = 1,452,791,529,036.88/1,376,588.32
  6. Step 6: Final answer
    x = 1,055,356.57

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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.