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Finding the Fourth Proportional to 1,362,998, 1,880,950.08 and 751,172.80

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Solution

The fourth proportional to 1,362,998, 1,880,950.08 and 751,172.80 is: 1,036,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,998 : 1,880,950.08 = 751,172.80 : x
  2. Step 2: Convert to fraction form
    1,362,998/1,880,950.08 = 751,172.80/x
  3. Step 3: Cross multiply
    1,362,998x = 1,880,950.08 × 751,172.80
  4. Step 4: Simplify right side
    1,362,998x = 1,412,918,538,253.82
  5. Step 5: Solve for x
    x = 1,412,918,538,253.82/1,362,998
  6. Step 6: Final answer
    x = 1,036,625.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.