Home / 1,642,999.36-2,267,176.08-917,831.48

Finding the Fourth Proportional to 1,642,999.36, 2,267,176.08 and 917,831.48

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Solution

The fourth proportional to 1,642,999.36, 2,267,176.08 and 917,831.48 is: 1,266,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,999.36 : 2,267,176.08 = 917,831.48 : x
  2. Step 2: Convert to fraction form
    1,642,999.36/2,267,176.08 = 917,831.48/x
  3. Step 3: Cross multiply
    1,642,999.36x = 2,267,176.08 × 917,831.48
  4. Step 4: Simplify right side
    1,642,999.36x = 2,080,885,576,927.00
  5. Step 5: Solve for x
    x = 2,080,885,576,927.00/1,642,999.36
  6. Step 6: Final answer
    x = 1,266,516.36

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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.