Home / 1,132,644.87-1,562,698.10-642,533.58

Finding the Fourth Proportional to 1,132,644.87, 1,562,698.10 and 642,533.58

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Solution

The fourth proportional to 1,132,644.87, 1,562,698.10 and 642,533.58 is: 886,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,644.87 : 1,562,698.10 = 642,533.58 : x
  2. Step 2: Convert to fraction form
    1,132,644.87/1,562,698.10 = 642,533.58/x
  3. Step 3: Cross multiply
    1,132,644.87x = 1,562,698.10 × 642,533.58
  4. Step 4: Simplify right side
    1,132,644.87x = 1,004,086,006,258.53
  5. Step 5: Solve for x
    x = 1,004,086,006,258.53/1,132,644.87
  6. Step 6: Final answer
    x = 886,496.76

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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.