Home / 1,358,143.03-1,874,127.67-785,220.13

Finding the Fourth Proportional to 1,358,143.03, 1,874,127.67 and 785,220.13

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Solution

The fourth proportional to 1,358,143.03, 1,874,127.67 and 785,220.13 is: 1,083,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,143.03 : 1,874,127.67 = 785,220.13 : x
  2. Step 2: Convert to fraction form
    1,358,143.03/1,874,127.67 = 785,220.13/x
  3. Step 3: Cross multiply
    1,358,143.03x = 1,874,127.67 × 785,220.13
  4. Step 4: Simplify right side
    1,358,143.03x = 1,471,602,759,377.26
  5. Step 5: Solve for x
    x = 1,471,602,759,377.26/1,358,143.03
  6. Step 6: Final answer
    x = 1,083,540.34

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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.