Home / 1,536,502.20-2,306,502.90-905,771.40

Finding the Fourth Proportional to 1,536,502.20, 2,306,502.90 and 905,771.40

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Solution

The fourth proportional to 1,536,502.20, 2,306,502.90 and 905,771.40 is: 1,359,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,502.20 : 2,306,502.90 = 905,771.40 : x
  2. Step 2: Convert to fraction form
    1,536,502.20/2,306,502.90 = 905,771.40/x
  3. Step 3: Cross multiply
    1,536,502.20x = 2,306,502.90 × 905,771.40
  4. Step 4: Simplify right side
    1,536,502.20x = 2,089,164,360,837.06
  5. Step 5: Solve for x
    x = 2,089,164,360,837.06/1,536,502.20
  6. Step 6: Final answer
    x = 1,359,688.49

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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.