Home / 1,215,243.57-1,677,003.71-671,291.67

Finding the Fourth Proportional to 1,215,243.57, 1,677,003.71 and 671,291.67

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Solution

The fourth proportional to 1,215,243.57, 1,677,003.71 and 671,291.67 is: 926,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,243.57 : 1,677,003.71 = 671,291.67 : x
  2. Step 2: Convert to fraction form
    1,215,243.57/1,677,003.71 = 671,291.67/x
  3. Step 3: Cross multiply
    1,215,243.57x = 1,677,003.71 × 671,291.67
  4. Step 4: Simplify right side
    1,215,243.57x = 1,125,758,617,725.64
  5. Step 5: Solve for x
    x = 1,125,758,617,725.64/1,215,243.57
  6. Step 6: Final answer
    x = 926,364.60

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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.