Home / 1,699,503.80-2,544,006.90-987,416.60

Finding the Fourth Proportional to 1,699,503.80, 2,544,006.90 and 987,416.60

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Solution

The fourth proportional to 1,699,503.80, 2,544,006.90 and 987,416.60 is: 1,478,075.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,503.80 : 2,544,006.90 = 987,416.60 : x
  2. Step 2: Convert to fraction form
    1,699,503.80/2,544,006.90 = 987,416.60/x
  3. Step 3: Cross multiply
    1,699,503.80x = 2,544,006.90 × 987,416.60
  4. Step 4: Simplify right side
    1,699,503.80x = 2,511,994,643,574.54
  5. Step 5: Solve for x
    x = 2,511,994,643,574.54/1,699,503.80
  6. Step 6: Final answer
    x = 1,478,075.33

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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.