Home / 1,455,428.29-2,172,908.99-1,112,074.76

Finding the Fourth Proportional to 1,455,428.29, 2,172,908.99 and 1,112,074.76

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Solution

The fourth proportional to 1,455,428.29, 2,172,908.99 and 1,112,074.76 is: 1,660,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,428.29 : 2,172,908.99 = 1,112,074.76 : x
  2. Step 2: Convert to fraction form
    1,455,428.29/2,172,908.99 = 1,112,074.76/x
  3. Step 3: Cross multiply
    1,455,428.29x = 2,172,908.99 × 1,112,074.76
  4. Step 4: Simplify right side
    1,455,428.29x = 2,416,437,227,131.17
  5. Step 5: Solve for x
    x = 2,416,437,227,131.17/1,455,428.29
  6. Step 6: Final answer
    x = 1,660,292.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.