Home / 1,392,300.63-2,088,452.77-381,431.46

Finding the Fourth Proportional to 1,392,300.63, 2,088,452.77 and 381,431.46

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Solution

The fourth proportional to 1,392,300.63, 2,088,452.77 and 381,431.46 is: 572,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,300.63 : 2,088,452.77 = 381,431.46 : x
  2. Step 2: Convert to fraction form
    1,392,300.63/2,088,452.77 = 381,431.46/x
  3. Step 3: Cross multiply
    1,392,300.63x = 2,088,452.77 × 381,431.46
  4. Step 4: Simplify right side
    1,392,300.63x = 796,601,596,080.26
  5. Step 5: Solve for x
    x = 796,601,596,080.26/1,392,300.63
  6. Step 6: Final answer
    x = 572,147.69

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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.