Home / 1,502,098.74-2,072,979.27-857,725.92

Finding the Fourth Proportional to 1,502,098.74, 2,072,979.27 and 857,725.92

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Solution

The fourth proportional to 1,502,098.74, 2,072,979.27 and 857,725.92 is: 1,183,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,098.74 : 2,072,979.27 = 857,725.92 : x
  2. Step 2: Convert to fraction form
    1,502,098.74/2,072,979.27 = 857,725.92/x
  3. Step 3: Cross multiply
    1,502,098.74x = 2,072,979.27 × 857,725.92
  4. Step 4: Simplify right side
    1,502,098.74x = 1,778,048,051,501.68
  5. Step 5: Solve for x
    x = 1,778,048,051,501.68/1,502,098.74
  6. Step 6: Final answer
    x = 1,183,709.17

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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.