Home / 1,295,963.70-1,788,395.40-722,989.14

Finding the Fourth Proportional to 1,295,963.70, 1,788,395.40 and 722,989.14

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Solution

The fourth proportional to 1,295,963.70, 1,788,395.40 and 722,989.14 is: 997,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,963.70 : 1,788,395.40 = 722,989.14 : x
  2. Step 2: Convert to fraction form
    1,295,963.70/1,788,395.40 = 722,989.14/x
  3. Step 3: Cross multiply
    1,295,963.70x = 1,788,395.40 × 722,989.14
  4. Step 4: Simplify right side
    1,295,963.70x = 1,292,990,452,225.96
  5. Step 5: Solve for x
    x = 1,292,990,452,225.96/1,295,963.70
  6. Step 6: Final answer
    x = 997,705.76

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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.