Home / 1,318,699.60-1,819,881.72-737,917.66

Finding the Fourth Proportional to 1,318,699.60, 1,819,881.72 and 737,917.66

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Solution

The fourth proportional to 1,318,699.60, 1,819,881.72 and 737,917.66 is: 1,018,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,699.60 : 1,819,881.72 = 737,917.66 : x
  2. Step 2: Convert to fraction form
    1,318,699.60/1,819,881.72 = 737,917.66/x
  3. Step 3: Cross multiply
    1,318,699.60x = 1,819,881.72 × 737,917.66
  4. Step 4: Simplify right side
    1,318,699.60x = 1,342,922,864,848.88
  5. Step 5: Solve for x
    x = 1,342,922,864,848.88/1,318,699.60
  6. Step 6: Final answer
    x = 1,018,369.05

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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.