Home / 1,262,057.04-1,741,709.28-689,150.40

Finding the Fourth Proportional to 1,262,057.04, 1,741,709.28 and 689,150.40

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Solution

The fourth proportional to 1,262,057.04, 1,741,709.28 and 689,150.40 is: 951,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,057.04 : 1,741,709.28 = 689,150.40 : x
  2. Step 2: Convert to fraction form
    1,262,057.04/1,741,709.28 = 689,150.40/x
  3. Step 3: Cross multiply
    1,262,057.04x = 1,741,709.28 × 689,150.40
  4. Step 4: Simplify right side
    1,262,057.04x = 1,200,299,646,995.71
  5. Step 5: Solve for x
    x = 1,200,299,646,995.71/1,262,057.04
  6. Step 6: Final answer
    x = 951,066.08

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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.