Home / 1,393,325-2,088,238.96-753,603.20

Finding the Fourth Proportional to 1,393,325, 2,088,238.96 and 753,603.20

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Solution

The fourth proportional to 1,393,325, 2,088,238.96 and 753,603.20 is: 1,129,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,325 : 2,088,238.96 = 753,603.20 : x
  2. Step 2: Convert to fraction form
    1,393,325/2,088,238.96 = 753,603.20/x
  3. Step 3: Cross multiply
    1,393,325x = 2,088,238.96 × 753,603.20
  4. Step 4: Simplify right side
    1,393,325x = 1,573,703,562,620.67
  5. Step 5: Solve for x
    x = 1,573,703,562,620.67/1,393,325
  6. Step 6: Final answer
    x = 1,129,459.07

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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.