Home / 1,392,307.01-2,088,462.33-381,437.84

Finding the Fourth Proportional to 1,392,307.01, 2,088,462.33 and 381,437.84

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Solution

The fourth proportional to 1,392,307.01, 2,088,462.33 and 381,437.84 is: 572,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,307.01 : 2,088,462.33 = 381,437.84 : x
  2. Step 2: Convert to fraction form
    1,392,307.01/2,088,462.33 = 381,437.84/x
  3. Step 3: Cross multiply
    1,392,307.01x = 2,088,462.33 × 381,437.84
  4. Step 4: Simplify right side
    1,392,307.01x = 796,618,549,634.26
  5. Step 5: Solve for x
    x = 796,618,549,634.26/1,392,307.01
  6. Step 6: Final answer
    x = 572,157.25

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Double scale
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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.