Home / 1,523,912.89-2,102,918.97-870,410.57

Finding the Fourth Proportional to 1,523,912.89, 2,102,918.97 and 870,410.57

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Solution

The fourth proportional to 1,523,912.89, 2,102,918.97 and 870,410.57 is: 1,201,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,912.89 : 2,102,918.97 = 870,410.57 : x
  2. Step 2: Convert to fraction form
    1,523,912.89/2,102,918.97 = 870,410.57/x
  3. Step 3: Cross multiply
    1,523,912.89x = 2,102,918.97 × 870,410.57
  4. Step 4: Simplify right side
    1,523,912.89x = 1,830,402,899,341.51
  5. Step 5: Solve for x
    x = 1,830,402,899,341.51/1,523,912.89
  6. Step 6: Final answer
    x = 1,201,120.43

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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.