Home / 1,857,478.40-2,786,881.29-1,129,482.76

Finding the Fourth Proportional to 1,857,478.40, 2,786,881.29 and 1,129,482.76

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Solution

The fourth proportional to 1,857,478.40, 2,786,881.29 and 1,129,482.76 is: 1,694,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,478.40 : 2,786,881.29 = 1,129,482.76 : x
  2. Step 2: Convert to fraction form
    1,857,478.40/2,786,881.29 = 1,129,482.76/x
  3. Step 3: Cross multiply
    1,857,478.40x = 2,786,881.29 × 1,129,482.76
  4. Step 4: Simplify right side
    1,857,478.40x = 3,147,734,364,254.36
  5. Step 5: Solve for x
    x = 3,147,734,364,254.36/1,857,478.40
  6. Step 6: Final answer
    x = 1,694,627.71

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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.