Home / 1,540,458.60-2,308,230.30-1,289,783.40

Finding the Fourth Proportional to 1,540,458.60, 2,308,230.30 and 1,289,783.40

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Solution

The fourth proportional to 1,540,458.60, 2,308,230.30 and 1,289,783.40 is: 1,932,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,458.60 : 2,308,230.30 = 1,289,783.40 : x
  2. Step 2: Convert to fraction form
    1,540,458.60/2,308,230.30 = 1,289,783.40/x
  3. Step 3: Cross multiply
    1,540,458.60x = 2,308,230.30 × 1,289,783.40
  4. Step 4: Simplify right side
    1,540,458.60x = 2,977,117,124,317.02
  5. Step 5: Solve for x
    x = 2,977,117,124,317.02/1,540,458.60
  6. Step 6: Final answer
    x = 1,932,617.42

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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.