Home / 1,318,823.26-1,820,073.84-738,104.56

Finding the Fourth Proportional to 1,318,823.26, 1,820,073.84 and 738,104.56

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Solution

The fourth proportional to 1,318,823.26, 1,820,073.84 and 738,104.56 is: 1,018,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,823.26 : 1,820,073.84 = 738,104.56 : x
  2. Step 2: Convert to fraction form
    1,318,823.26/1,820,073.84 = 738,104.56/x
  3. Step 3: Cross multiply
    1,318,823.26x = 1,820,073.84 × 738,104.56
  4. Step 4: Simplify right side
    1,318,823.26x = 1,343,404,800,840.71
  5. Step 5: Solve for x
    x = 1,343,404,800,840.71/1,318,823.26
  6. Step 6: Final answer
    x = 1,018,639.00

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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.