Home / 1,085,552.80-1,628,477.88-375,390.16

Finding the Fourth Proportional to 1,085,552.80, 1,628,477.88 and 375,390.16

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Solution

The fourth proportional to 1,085,552.80, 1,628,477.88 and 375,390.16 is: 563,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,552.80 : 1,628,477.88 = 375,390.16 : x
  2. Step 2: Convert to fraction form
    1,085,552.80/1,628,477.88 = 375,390.16/x
  3. Step 3: Cross multiply
    1,085,552.80x = 1,628,477.88 × 375,390.16
  4. Step 4: Simplify right side
    1,085,552.80x = 611,314,571,929.66
  5. Step 5: Solve for x
    x = 611,314,571,929.66/1,085,552.80
  6. Step 6: Final answer
    x = 563,136.65

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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.