Home / 1,100,888.40-1,651,445.95-381,228.71

Finding the Fourth Proportional to 1,100,888.40, 1,651,445.95 and 381,228.71

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Solution

The fourth proportional to 1,100,888.40, 1,651,445.95 and 381,228.71 is: 571,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,888.40 : 1,651,445.95 = 381,228.71 : x
  2. Step 2: Convert to fraction form
    1,100,888.40/1,651,445.95 = 381,228.71/x
  3. Step 3: Cross multiply
    1,100,888.40x = 1,651,445.95 × 381,228.71
  4. Step 4: Simplify right side
    1,100,888.40x = 629,578,599,942.92
  5. Step 5: Solve for x
    x = 629,578,599,942.92/1,100,888.40
  6. Step 6: Final answer
    x = 571,882.31

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1.5x scale

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.