Home / 1,716,142.32-2,574,364.78-636,667.38

Finding the Fourth Proportional to 1,716,142.32, 2,574,364.78 and 636,667.38

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Solution

The fourth proportional to 1,716,142.32, 2,574,364.78 and 636,667.38 is: 955,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,142.32 : 2,574,364.78 = 636,667.38 : x
  2. Step 2: Convert to fraction form
    1,716,142.32/2,574,364.78 = 636,667.38/x
  3. Step 3: Cross multiply
    1,716,142.32x = 2,574,364.78 × 636,667.38
  4. Step 4: Simplify right side
    1,716,142.32x = 1,639,014,079,646.88
  5. Step 5: Solve for x
    x = 1,639,014,079,646.88/1,716,142.32
  6. Step 6: Final answer
    x = 955,057.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.