Home / 1,329,055.80-1,993,888.98-382,434.36

Finding the Fourth Proportional to 1,329,055.80, 1,993,888.98 and 382,434.36

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Solution

The fourth proportional to 1,329,055.80, 1,993,888.98 and 382,434.36 is: 573,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,055.80 : 1,993,888.98 = 382,434.36 : x
  2. Step 2: Convert to fraction form
    1,329,055.80/1,993,888.98 = 382,434.36/x
  3. Step 3: Cross multiply
    1,329,055.80x = 1,993,888.98 × 382,434.36
  4. Step 4: Simplify right side
    1,329,055.80x = 762,531,655,977.35
  5. Step 5: Solve for x
    x = 762,531,655,977.35/1,329,055.80
  6. Step 6: Final answer
    x = 573,739.38

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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.