Home / 1,635,516.71-2,256,962.81-910,345.78

Finding the Fourth Proportional to 1,635,516.71, 2,256,962.81 and 910,345.78

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Solution

The fourth proportional to 1,635,516.71, 2,256,962.81 and 910,345.78 is: 1,256,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,516.71 : 2,256,962.81 = 910,345.78 : x
  2. Step 2: Convert to fraction form
    1,635,516.71/2,256,962.81 = 910,345.78/x
  3. Step 3: Cross multiply
    1,635,516.71x = 2,256,962.81 × 910,345.78
  4. Step 4: Simplify right side
    1,635,516.71x = 2,054,616,566,333.90
  5. Step 5: Solve for x
    x = 2,054,616,566,333.90/1,635,516.71
  6. Step 6: Final answer
    x = 1,256,249.21

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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.