Home / 1,168,120-1,612,005.60-631,576

Finding the Fourth Proportional to 1,168,120, 1,612,005.60 and 631,576

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Solution

The fourth proportional to 1,168,120, 1,612,005.60 and 631,576 is: 871,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,120 : 1,612,005.60 = 631,576 : x
  2. Step 2: Convert to fraction form
    1,168,120/1,612,005.60 = 631,576/x
  3. Step 3: Cross multiply
    1,168,120x = 1,612,005.60 × 631,576
  4. Step 4: Simplify right side
    1,168,120x = 1,018,104,048,825.60
  5. Step 5: Solve for x
    x = 1,018,104,048,825.60/1,168,120
  6. Step 6: Final answer
    x = 871,574.88

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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.