Home / 1,392,256.96-2,088,646.80-445,373.44

Finding the Fourth Proportional to 1,392,256.96, 2,088,646.80 and 445,373.44

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Solution

The fourth proportional to 1,392,256.96, 2,088,646.80 and 445,373.44 is: 668,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,256.96 : 2,088,646.80 = 445,373.44 : x
  2. Step 2: Convert to fraction form
    1,392,256.96/2,088,646.80 = 445,373.44/x
  3. Step 3: Cross multiply
    1,392,256.96x = 2,088,646.80 × 445,373.44
  4. Step 4: Simplify right side
    1,392,256.96x = 930,227,810,260.99
  5. Step 5: Solve for x
    x = 930,227,810,260.99/1,392,256.96
  6. Step 6: Final answer
    x = 668,143.77

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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.