Home / 1,126,931.40-1,555,087.03-668,022.26

Finding the Fourth Proportional to 1,126,931.40, 1,555,087.03 and 668,022.26

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Solution

The fourth proportional to 1,126,931.40, 1,555,087.03 and 668,022.26 is: 921,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,931.40 : 1,555,087.03 = 668,022.26 : x
  2. Step 2: Convert to fraction form
    1,126,931.40/1,555,087.03 = 668,022.26/x
  3. Step 3: Cross multiply
    1,126,931.40x = 1,555,087.03 × 668,022.26
  4. Step 4: Simplify right side
    1,126,931.40x = 1,038,832,742,831.80
  5. Step 5: Solve for x
    x = 1,038,832,742,831.80/1,126,931.40
  6. Step 6: Final answer
    x = 921,824.29

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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.