Home / 1,605,080.29-2,214,951.42-870,018.79

Finding the Fourth Proportional to 1,605,080.29, 2,214,951.42 and 870,018.79

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Solution

The fourth proportional to 1,605,080.29, 2,214,951.42 and 870,018.79 is: 1,200,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,080.29 : 2,214,951.42 = 870,018.79 : x
  2. Step 2: Convert to fraction form
    1,605,080.29/2,214,951.42 = 870,018.79/x
  3. Step 3: Cross multiply
    1,605,080.29x = 2,214,951.42 × 870,018.79
  4. Step 4: Simplify right side
    1,605,080.29x = 1,927,049,354,337.18
  5. Step 5: Solve for x
    x = 1,927,049,354,337.18/1,605,080.29
  6. Step 6: Final answer
    x = 1,200,593.74

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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.