Home / 1,635,478.61-2,256,960.56-910,310.76

Finding the Fourth Proportional to 1,635,478.61, 2,256,960.56 and 910,310.76

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Solution

The fourth proportional to 1,635,478.61, 2,256,960.56 and 910,310.76 is: 1,256,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,478.61 : 2,256,960.56 = 910,310.76 : x
  2. Step 2: Convert to fraction form
    1,635,478.61/2,256,960.56 = 910,310.76/x
  3. Step 3: Cross multiply
    1,635,478.61x = 2,256,960.56 × 910,310.76
  4. Step 4: Simplify right side
    1,635,478.61x = 2,054,535,478,112.07
  5. Step 5: Solve for x
    x = 2,054,535,478,112.07/1,635,478.61
  6. Step 6: Final answer
    x = 1,256,228.89

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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.