Home / 1,635,880-2,257,332.96-910,560.64

Finding the Fourth Proportional to 1,635,880, 2,257,332.96 and 910,560.64

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Solution

The fourth proportional to 1,635,880, 2,257,332.96 and 910,560.64 is: 1,256,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,880 : 2,257,332.96 = 910,560.64 : x
  2. Step 2: Convert to fraction form
    1,635,880/2,257,332.96 = 910,560.64/x
  3. Step 3: Cross multiply
    1,635,880x = 2,257,332.96 × 910,560.64
  4. Step 4: Simplify right side
    1,635,880x = 2,055,438,544,750.69
  5. Step 5: Solve for x
    x = 2,055,438,544,750.69/1,635,880
  6. Step 6: Final answer
    x = 1,256,472.69

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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.