Home / 1,085,765.32-1,628,759.58-375,792.20

Finding the Fourth Proportional to 1,085,765.32, 1,628,759.58 and 375,792.20

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Solution

The fourth proportional to 1,085,765.32, 1,628,759.58 and 375,792.20 is: 563,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,765.32 : 1,628,759.58 = 375,792.20 : x
  2. Step 2: Convert to fraction form
    1,085,765.32/1,628,759.58 = 375,792.20/x
  3. Step 3: Cross multiply
    1,085,765.32x = 1,628,759.58 × 375,792.20
  4. Step 4: Simplify right side
    1,085,765.32x = 612,075,145,839.28
  5. Step 5: Solve for x
    x = 612,075,145,839.28/1,085,765.32
  6. Step 6: Final answer
    x = 563,726.93

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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.