Home / 1,019,642.58-1,407,402.54-632,575.98

Finding the Fourth Proportional to 1,019,642.58, 1,407,402.54 and 632,575.98

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Solution

The fourth proportional to 1,019,642.58, 1,407,402.54 and 632,575.98 is: 873,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,642.58 : 1,407,402.54 = 632,575.98 : x
  2. Step 2: Convert to fraction form
    1,019,642.58/1,407,402.54 = 632,575.98/x
  3. Step 3: Cross multiply
    1,019,642.58x = 1,407,402.54 × 632,575.98
  4. Step 4: Simplify right side
    1,019,642.58x = 890,289,040,994.99
  5. Step 5: Solve for x
    x = 890,289,040,994.99/1,019,642.58
  6. Step 6: Final answer
    x = 873,138.35

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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.