Home / 1,340,013.60-2,010,020.40-1,214,042.40

Finding the Fourth Proportional to 1,340,013.60, 2,010,020.40 and 1,214,042.40

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Solution

The fourth proportional to 1,340,013.60, 2,010,020.40 and 1,214,042.40 is: 1,821,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,013.60 : 2,010,020.40 = 1,214,042.40 : x
  2. Step 2: Convert to fraction form
    1,340,013.60/2,010,020.40 = 1,214,042.40/x
  3. Step 3: Cross multiply
    1,340,013.60x = 2,010,020.40 × 1,214,042.40
  4. Step 4: Simplify right side
    1,340,013.60x = 2,440,249,990,464.96
  5. Step 5: Solve for x
    x = 2,440,249,990,464.96/1,340,013.60
  6. Step 6: Final answer
    x = 1,821,063.60

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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.