Home / 1,562,388.03-2,156,076.09-917,866.98

Finding the Fourth Proportional to 1,562,388.03, 2,156,076.09 and 917,866.98

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Solution

The fourth proportional to 1,562,388.03, 2,156,076.09 and 917,866.98 is: 1,266,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,388.03 : 2,156,076.09 = 917,866.98 : x
  2. Step 2: Convert to fraction form
    1,562,388.03/2,156,076.09 = 917,866.98/x
  3. Step 3: Cross multiply
    1,562,388.03x = 2,156,076.09 × 917,866.98
  4. Step 4: Simplify right side
    1,562,388.03x = 1,978,991,049,378.51
  5. Step 5: Solve for x
    x = 1,978,991,049,378.51/1,562,388.03
  6. Step 6: Final answer
    x = 1,266,645.04

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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.