Home / 1,242,831.37-1,865,992.56-636,053.62

Finding the Fourth Proportional to 1,242,831.37, 1,865,992.56 and 636,053.62

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Solution

The fourth proportional to 1,242,831.37, 1,865,992.56 and 636,053.62 is: 954,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,831.37 : 1,865,992.56 = 636,053.62 : x
  2. Step 2: Convert to fraction form
    1,242,831.37/1,865,992.56 = 636,053.62/x
  3. Step 3: Cross multiply
    1,242,831.37x = 1,865,992.56 × 636,053.62
  4. Step 4: Simplify right side
    1,242,831.37x = 1,186,871,322,681.07
  5. Step 5: Solve for x
    x = 1,186,871,322,681.07/1,242,831.37
  6. Step 6: Final answer
    x = 954,973.74

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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.