Home / 1,731,878.30-2,389,986.05-967,931.87

Finding the Fourth Proportional to 1,731,878.30, 2,389,986.05 and 967,931.87

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Solution

The fourth proportional to 1,731,878.30, 2,389,986.05 and 967,931.87 is: 1,335,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,878.30 : 2,389,986.05 = 967,931.87 : x
  2. Step 2: Convert to fraction form
    1,731,878.30/2,389,986.05 = 967,931.87/x
  3. Step 3: Cross multiply
    1,731,878.30x = 2,389,986.05 × 967,931.87
  4. Step 4: Simplify right side
    1,731,878.30x = 2,313,343,649,860.82
  5. Step 5: Solve for x
    x = 2,313,343,649,860.82/1,731,878.30
  6. Step 6: Final answer
    x = 1,335,742.61

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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.