Home / 1,271,110.32-1,754,115.84-698,113.60

Finding the Fourth Proportional to 1,271,110.32, 1,754,115.84 and 698,113.60

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Solution

The fourth proportional to 1,271,110.32, 1,754,115.84 and 698,113.60 is: 963,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,110.32 : 1,754,115.84 = 698,113.60 : x
  2. Step 2: Convert to fraction form
    1,271,110.32/1,754,115.84 = 698,113.60/x
  3. Step 3: Cross multiply
    1,271,110.32x = 1,754,115.84 × 698,113.60
  4. Step 4: Simplify right side
    1,271,110.32x = 1,224,572,119,494.13
  5. Step 5: Solve for x
    x = 1,224,572,119,494.13/1,271,110.32
  6. Step 6: Final answer
    x = 963,387.76

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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.