Home / 1,284,227.16-1,772,128.34-732,940.16

Finding the Fourth Proportional to 1,284,227.16, 1,772,128.34 and 732,940.16

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Solution

The fourth proportional to 1,284,227.16, 1,772,128.34 and 732,940.16 is: 1,011,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,227.16 : 1,772,128.34 = 732,940.16 : x
  2. Step 2: Convert to fraction form
    1,284,227.16/1,772,128.34 = 732,940.16/x
  3. Step 3: Cross multiply
    1,284,227.16x = 1,772,128.34 × 732,940.16
  4. Step 4: Simplify right side
    1,284,227.16x = 1,298,864,029,060.13
  5. Step 5: Solve for x
    x = 1,298,864,029,060.13/1,284,227.16
  6. Step 6: Final answer
    x = 1,011,397.41

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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.