Home / 1,245,133.60-1,867,700.40-346,573.60

Finding the Fourth Proportional to 1,245,133.60, 1,867,700.40 and 346,573.60

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Solution

The fourth proportional to 1,245,133.60, 1,867,700.40 and 346,573.60 is: 519,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,133.60 : 1,867,700.40 = 346,573.60 : x
  2. Step 2: Convert to fraction form
    1,245,133.60/1,867,700.40 = 346,573.60/x
  3. Step 3: Cross multiply
    1,245,133.60x = 1,867,700.40 × 346,573.60
  4. Step 4: Simplify right side
    1,245,133.60x = 647,295,651,349.44
  5. Step 5: Solve for x
    x = 647,295,651,349.44/1,245,133.60
  6. Step 6: Final answer
    x = 519,860.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.