Home / 1,393,750.80-2,090,107.80-552,128.40

Finding the Fourth Proportional to 1,393,750.80, 2,090,107.80 and 552,128.40

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Solution

The fourth proportional to 1,393,750.80, 2,090,107.80 and 552,128.40 is: 827,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,750.80 : 2,090,107.80 = 552,128.40 : x
  2. Step 2: Convert to fraction form
    1,393,750.80/2,090,107.80 = 552,128.40/x
  3. Step 3: Cross multiply
    1,393,750.80x = 2,090,107.80 × 552,128.40
  4. Step 4: Simplify right side
    1,393,750.80x = 1,154,007,875,441.52
  5. Step 5: Solve for x
    x = 1,154,007,875,441.52/1,393,750.80
  6. Step 6: Final answer
    x = 827,987.24

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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.