Home / 1,219,634.83-1,683,068.65-675,771.67

Finding the Fourth Proportional to 1,219,634.83, 1,683,068.65 and 675,771.67

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Solution

The fourth proportional to 1,219,634.83, 1,683,068.65 and 675,771.67 is: 932,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,634.83 : 1,683,068.65 = 675,771.67 : x
  2. Step 2: Convert to fraction form
    1,219,634.83/1,683,068.65 = 675,771.67/x
  3. Step 3: Cross multiply
    1,219,634.83x = 1,683,068.65 × 675,771.67
  4. Step 4: Simplify right side
    1,219,634.83x = 1,137,370,112,335.15
  5. Step 5: Solve for x
    x = 1,137,370,112,335.15/1,219,634.83
  6. Step 6: Final answer
    x = 932,549.71

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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.