Home / 1,139,562.22-1,571,056.90-730,954.68

Finding the Fourth Proportional to 1,139,562.22, 1,571,056.90 and 730,954.68

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Solution

The fourth proportional to 1,139,562.22, 1,571,056.90 and 730,954.68 is: 1,007,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,562.22 : 1,571,056.90 = 730,954.68 : x
  2. Step 2: Convert to fraction form
    1,139,562.22/1,571,056.90 = 730,954.68/x
  3. Step 3: Cross multiply
    1,139,562.22x = 1,571,056.90 × 730,954.68
  4. Step 4: Simplify right side
    1,139,562.22x = 1,148,371,393,601.29
  5. Step 5: Solve for x
    x = 1,148,371,393,601.29/1,139,562.22
  6. Step 6: Final answer
    x = 1,007,730.31

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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.