Home / 1,213,977.77-1,675,289.65-670,113.91

Finding the Fourth Proportional to 1,213,977.77, 1,675,289.65 and 670,113.91

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Solution

The fourth proportional to 1,213,977.77, 1,675,289.65 and 670,113.91 is: 924,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,977.77 : 1,675,289.65 = 670,113.91 : x
  2. Step 2: Convert to fraction form
    1,213,977.77/1,675,289.65 = 670,113.91/x
  3. Step 3: Cross multiply
    1,213,977.77x = 1,675,289.65 × 670,113.91
  4. Step 4: Simplify right side
    1,213,977.77x = 1,122,634,889,367.58
  5. Step 5: Solve for x
    x = 1,122,634,889,367.58/1,213,977.77
  6. Step 6: Final answer
    x = 924,757.37

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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.