Home / 1,085,583.36-1,628,522.88-375,420.80

Finding the Fourth Proportional to 1,085,583.36, 1,628,522.88 and 375,420.80

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Solution

The fourth proportional to 1,085,583.36, 1,628,522.88 and 375,420.80 is: 563,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,583.36 : 1,628,522.88 = 375,420.80 : x
  2. Step 2: Convert to fraction form
    1,085,583.36/1,628,522.88 = 375,420.80/x
  3. Step 3: Cross multiply
    1,085,583.36x = 1,628,522.88 × 375,420.80
  4. Step 4: Simplify right side
    1,085,583.36x = 611,381,362,427.90
  5. Step 5: Solve for x
    x = 611,381,362,427.90/1,085,583.36
  6. Step 6: Final answer
    x = 563,182.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.