Home / 1,384,036.40-2,075,058.24-850,455

Finding the Fourth Proportional to 1,384,036.40, 2,075,058.24 and 850,455

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Solution

The fourth proportional to 1,384,036.40, 2,075,058.24 and 850,455 is: 1,275,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,036.40 : 2,075,058.24 = 850,455 : x
  2. Step 2: Convert to fraction form
    1,384,036.40/2,075,058.24 = 850,455/x
  3. Step 3: Cross multiply
    1,384,036.40x = 2,075,058.24 × 850,455
  4. Step 4: Simplify right side
    1,384,036.40x = 1,764,743,655,499.20
  5. Step 5: Solve for x
    x = 1,764,743,655,499.20/1,384,036.40
  6. Step 6: Final answer
    x = 1,275,070.26

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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.