Home / 1,128,829.37-1,558,083.20-698,865.17

Finding the Fourth Proportional to 1,128,829.37, 1,558,083.20 and 698,865.17

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Solution

The fourth proportional to 1,128,829.37, 1,558,083.20 and 698,865.17 is: 964,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,829.37 : 1,558,083.20 = 698,865.17 : x
  2. Step 2: Convert to fraction form
    1,128,829.37/1,558,083.20 = 698,865.17/x
  3. Step 3: Cross multiply
    1,128,829.37x = 1,558,083.20 × 698,865.17
  4. Step 4: Simplify right side
    1,128,829.37x = 1,088,890,069,157.40
  5. Step 5: Solve for x
    x = 1,088,890,069,157.40/1,128,829.37
  6. Step 6: Final answer
    x = 964,618.84

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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.