Home / 1,433,352.58-1,978,108.23-821,607.10

Finding the Fourth Proportional to 1,433,352.58, 1,978,108.23 and 821,607.10

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Solution

The fourth proportional to 1,433,352.58, 1,978,108.23 and 821,607.10 is: 1,133,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,352.58 : 1,978,108.23 = 821,607.10 : x
  2. Step 2: Convert to fraction form
    1,433,352.58/1,978,108.23 = 821,607.10/x
  3. Step 3: Cross multiply
    1,433,352.58x = 1,978,108.23 × 821,607.10
  4. Step 4: Simplify right side
    1,433,352.58x = 1,625,227,766,336.43
  5. Step 5: Solve for x
    x = 1,625,227,766,336.43/1,433,352.58
  6. Step 6: Final answer
    x = 1,133,864.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.