Home / 889,192.37-1,333,786.58-687,082.39

Finding the Fourth Proportional to 889,192.37, 1,333,786.58 and 687,082.39

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Solution

The fourth proportional to 889,192.37, 1,333,786.58 and 687,082.39 is: 1,030,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,192.37 : 1,333,786.58 = 687,082.39 : x
  2. Step 2: Convert to fraction form
    889,192.37/1,333,786.58 = 687,082.39/x
  3. Step 3: Cross multiply
    889,192.37x = 1,333,786.58 × 687,082.39
  4. Step 4: Simplify right side
    889,192.37x = 916,421,264,366.45
  5. Step 5: Solve for x
    x = 916,421,264,366.45/889,192.37
  6. Step 6: Final answer
    x = 1,030,622.05

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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.