Home / 1,103,430.96-1,522,765.20-776,847.84

Finding the Fourth Proportional to 1,103,430.96, 1,522,765.20 and 776,847.84

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Solution

The fourth proportional to 1,103,430.96, 1,522,765.20 and 776,847.84 is: 1,072,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,430.96 : 1,522,765.20 = 776,847.84 : x
  2. Step 2: Convert to fraction form
    1,103,430.96/1,522,765.20 = 776,847.84/x
  3. Step 3: Cross multiply
    1,103,430.96x = 1,522,765.20 × 776,847.84
  4. Step 4: Simplify right side
    1,103,430.96x = 1,182,956,856,447.17
  5. Step 5: Solve for x
    x = 1,182,956,856,447.17/1,103,430.96
  6. Step 6: Final answer
    x = 1,072,071.47

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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.