Home / 1,532,782.08-2,115,022.32-870,471

Finding the Fourth Proportional to 1,532,782.08, 2,115,022.32 and 870,471

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Solution

The fourth proportional to 1,532,782.08, 2,115,022.32 and 870,471 is: 1,201,126.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,782.08 : 2,115,022.32 = 870,471 : x
  2. Step 2: Convert to fraction form
    1,532,782.08/2,115,022.32 = 870,471/x
  3. Step 3: Cross multiply
    1,532,782.08x = 2,115,022.32 × 870,471
  4. Step 4: Simplify right side
    1,532,782.08x = 1,841,065,593,912.72
  5. Step 5: Solve for x
    x = 1,841,065,593,912.72/1,532,782.08
  6. Step 6: Final answer
    x = 1,201,126.77

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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.