Home / 1,085,551.80-1,628,476.38-375,389.16

Finding the Fourth Proportional to 1,085,551.80, 1,628,476.38 and 375,389.16

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Solution

The fourth proportional to 1,085,551.80, 1,628,476.38 and 375,389.16 is: 563,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,551.80 : 1,628,476.38 = 375,389.16 : x
  2. Step 2: Convert to fraction form
    1,085,551.80/1,628,476.38 = 375,389.16/x
  3. Step 3: Cross multiply
    1,085,551.80x = 1,628,476.38 × 375,389.16
  4. Step 4: Simplify right side
    1,085,551.80x = 611,312,380,368.04
  5. Step 5: Solve for x
    x = 611,312,380,368.04/1,085,551.80
  6. Step 6: Final answer
    x = 563,135.15

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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.