Home / 1,317,274.50-1,975,916.62-320,002.50

Finding the Fourth Proportional to 1,317,274.50, 1,975,916.62 and 320,002.50

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Solution

The fourth proportional to 1,317,274.50, 1,975,916.62 and 320,002.50 is: 480,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,274.50 : 1,975,916.62 = 320,002.50 : x
  2. Step 2: Convert to fraction form
    1,317,274.50/1,975,916.62 = 320,002.50/x
  3. Step 3: Cross multiply
    1,317,274.50x = 1,975,916.62 × 320,002.50
  4. Step 4: Simplify right side
    1,317,274.50x = 632,298,258,191.55
  5. Step 5: Solve for x
    x = 632,298,258,191.55/1,317,274.50
  6. Step 6: Final answer
    x = 480,004.93

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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.