Home / 1,260,418.64-1,739,376.66-687,457.04

Finding the Fourth Proportional to 1,260,418.64, 1,739,376.66 and 687,457.04

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Solution

The fourth proportional to 1,260,418.64, 1,739,376.66 and 687,457.04 is: 948,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,418.64 : 1,739,376.66 = 687,457.04 : x
  2. Step 2: Convert to fraction form
    1,260,418.64/1,739,376.66 = 687,457.04/x
  3. Step 3: Cross multiply
    1,260,418.64x = 1,739,376.66 × 687,457.04
  4. Step 4: Simplify right side
    1,260,418.64x = 1,195,746,730,128.69
  5. Step 5: Solve for x
    x = 1,195,746,730,128.69/1,260,418.64
  6. Step 6: Final answer
    x = 948,690.14

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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.