Home / 1,232,011.62-1,700,157.96-688,155.03

Finding the Fourth Proportional to 1,232,011.62, 1,700,157.96 and 688,155.03

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Solution

The fourth proportional to 1,232,011.62, 1,700,157.96 and 688,155.03 is: 949,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,011.62 : 1,700,157.96 = 688,155.03 : x
  2. Step 2: Convert to fraction form
    1,232,011.62/1,700,157.96 = 688,155.03/x
  3. Step 3: Cross multiply
    1,232,011.62x = 1,700,157.96 × 688,155.03
  4. Step 4: Simplify right side
    1,232,011.62x = 1,169,972,251,968.54
  5. Step 5: Solve for x
    x = 1,169,972,251,968.54/1,232,011.62
  6. Step 6: Final answer
    x = 949,643.85

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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.