Home / 1,343,140.60-2,014,710.90-1,207,838.20

Finding the Fourth Proportional to 1,343,140.60, 2,014,710.90 and 1,207,838.20

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Solution

The fourth proportional to 1,343,140.60, 2,014,710.90 and 1,207,838.20 is: 1,811,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,140.60 : 2,014,710.90 = 1,207,838.20 : x
  2. Step 2: Convert to fraction form
    1,343,140.60/2,014,710.90 = 1,207,838.20/x
  3. Step 3: Cross multiply
    1,343,140.60x = 2,014,710.90 × 1,207,838.20
  4. Step 4: Simplify right side
    1,343,140.60x = 2,433,444,786,976.38
  5. Step 5: Solve for x
    x = 2,433,444,786,976.38/1,343,140.60
  6. Step 6: Final answer
    x = 1,811,757.30

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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.