Home / 1,213,978.68-1,675,281.12-670,114.64

Finding the Fourth Proportional to 1,213,978.68, 1,675,281.12 and 670,114.64

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Solution

The fourth proportional to 1,213,978.68, 1,675,281.12 and 670,114.64 is: 924,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,978.68 : 1,675,281.12 = 670,114.64 : x
  2. Step 2: Convert to fraction form
    1,213,978.68/1,675,281.12 = 670,114.64/x
  3. Step 3: Cross multiply
    1,213,978.68x = 1,675,281.12 × 670,114.64
  4. Step 4: Simplify right side
    1,213,978.68x = 1,122,630,396,251.19
  5. Step 5: Solve for x
    x = 1,122,630,396,251.19/1,213,978.68
  6. Step 6: Final answer
    x = 924,752.98

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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.