Home / 1,114,035.52-1,531,457.60-958,418.32

Finding the Fourth Proportional to 1,114,035.52, 1,531,457.60 and 958,418.32

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Solution

The fourth proportional to 1,114,035.52, 1,531,457.60 and 958,418.32 is: 1,317,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,035.52 : 1,531,457.60 = 958,418.32 : x
  2. Step 2: Convert to fraction form
    1,114,035.52/1,531,457.60 = 958,418.32/x
  3. Step 3: Cross multiply
    1,114,035.52x = 1,531,457.60 × 958,418.32
  4. Step 4: Simplify right side
    1,114,035.52x = 1,467,777,020,143.23
  5. Step 5: Solve for x
    x = 1,467,777,020,143.23/1,114,035.52
  6. Step 6: Final answer
    x = 1,317,531.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.