Home / 1,318,817.22-1,820,065.59-738,098.55

Finding the Fourth Proportional to 1,318,817.22, 1,820,065.59 and 738,098.55

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Solution

The fourth proportional to 1,318,817.22, 1,820,065.59 and 738,098.55 is: 1,018,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,817.22 : 1,820,065.59 = 738,098.55 : x
  2. Step 2: Convert to fraction form
    1,318,817.22/1,820,065.59 = 738,098.55/x
  3. Step 3: Cross multiply
    1,318,817.22x = 1,820,065.59 × 738,098.55
  4. Step 4: Simplify right side
    1,318,817.22x = 1,343,387,763,783.57
  5. Step 5: Solve for x
    x = 1,343,387,763,783.57/1,318,817.22
  6. Step 6: Final answer
    x = 1,018,630.75

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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.