Home / 1,503,145.84-2,074,471.82-824,213.56

Finding the Fourth Proportional to 1,503,145.84, 2,074,471.82 and 824,213.56

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Solution

The fourth proportional to 1,503,145.84, 2,074,471.82 and 824,213.56 is: 1,137,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,145.84 : 2,074,471.82 = 824,213.56 : x
  2. Step 2: Convert to fraction form
    1,503,145.84/2,074,471.82 = 824,213.56/x
  3. Step 3: Cross multiply
    1,503,145.84x = 2,074,471.82 × 824,213.56
  4. Step 4: Simplify right side
    1,503,145.84x = 1,709,807,803,881.88
  5. Step 5: Solve for x
    x = 1,709,807,803,881.88/1,503,145.84
  6. Step 6: Final answer
    x = 1,137,486.30

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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.