Home / 1,232,087.16-1,700,230.50-688,214.28

Finding the Fourth Proportional to 1,232,087.16, 1,700,230.50 and 688,214.28

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Solution

The fourth proportional to 1,232,087.16, 1,700,230.50 and 688,214.28 is: 949,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,087.16 : 1,700,230.50 = 688,214.28 : x
  2. Step 2: Convert to fraction form
    1,232,087.16/1,700,230.50 = 688,214.28/x
  3. Step 3: Cross multiply
    1,232,087.16x = 1,700,230.50 × 688,214.28
  4. Step 4: Simplify right side
    1,232,087.16x = 1,170,122,909,391.54
  5. Step 5: Solve for x
    x = 1,170,122,909,391.54/1,232,087.16
  6. Step 6: Final answer
    x = 949,707.90

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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.