Home / 1,491,161.65-2,057,861.33-846,641.81

Finding the Fourth Proportional to 1,491,161.65, 2,057,861.33 and 846,641.81

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Solution

The fourth proportional to 1,491,161.65, 2,057,861.33 and 846,641.81 is: 1,168,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,161.65 : 2,057,861.33 = 846,641.81 : x
  2. Step 2: Convert to fraction form
    1,491,161.65/2,057,861.33 = 846,641.81/x
  3. Step 3: Cross multiply
    1,491,161.65x = 2,057,861.33 × 846,641.81
  4. Step 4: Simplify right side
    1,491,161.65x = 1,742,271,448,421.47
  5. Step 5: Solve for x
    x = 1,742,271,448,421.47/1,491,161.65
  6. Step 6: Final answer
    x = 1,168,398.78

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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.