Home / 1,009,942.28-1,393,749.48-557,262.44

Finding the Fourth Proportional to 1,009,942.28, 1,393,749.48 and 557,262.44

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Solution

The fourth proportional to 1,009,942.28, 1,393,749.48 and 557,262.44 is: 769,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,942.28 : 1,393,749.48 = 557,262.44 : x
  2. Step 2: Convert to fraction form
    1,009,942.28/1,393,749.48 = 557,262.44/x
  3. Step 3: Cross multiply
    1,009,942.28x = 1,393,749.48 × 557,262.44
  4. Step 4: Simplify right side
    1,009,942.28x = 776,684,235,973.53
  5. Step 5: Solve for x
    x = 776,684,235,973.53/1,009,942.28
  6. Step 6: Final answer
    x = 769,038.24

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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.