Home / 1,344,475.60-2,014,942.20-987,816.40

Finding the Fourth Proportional to 1,344,475.60, 2,014,942.20 and 987,816.40

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Solution

The fourth proportional to 1,344,475.60, 2,014,942.20 and 987,816.40 is: 1,480,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,475.60 : 2,014,942.20 = 987,816.40 : x
  2. Step 2: Convert to fraction form
    1,344,475.60/2,014,942.20 = 987,816.40/x
  3. Step 3: Cross multiply
    1,344,475.60x = 2,014,942.20 × 987,816.40
  4. Step 4: Simplify right side
    1,344,475.60x = 1,990,392,950,212.08
  5. Step 5: Solve for x
    x = 1,990,392,950,212.08/1,344,475.60
  6. Step 6: Final answer
    x = 1,480,423.26

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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.