Home / 941,940.60-1,303,300.98-821,333.40

Finding the Fourth Proportional to 941,940.60, 1,303,300.98 and 821,333.40

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Solution

The fourth proportional to 941,940.60, 1,303,300.98 and 821,333.40 is: 1,136,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,940.60 : 1,303,300.98 = 821,333.40 : x
  2. Step 2: Convert to fraction form
    941,940.60/1,303,300.98 = 821,333.40/x
  3. Step 3: Cross multiply
    941,940.60x = 1,303,300.98 × 821,333.40
  4. Step 4: Simplify right side
    941,940.60x = 1,070,444,625,126.73
  5. Step 5: Solve for x
    x = 1,070,444,625,126.73/941,940.60
  6. Step 6: Final answer
    x = 1,136,424.77

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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.