Home / 974,261.70-1,461,392.55-919,149.30

Finding the Fourth Proportional to 974,261.70, 1,461,392.55 and 919,149.30

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Solution

The fourth proportional to 974,261.70, 1,461,392.55 and 919,149.30 is: 1,378,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,261.70 : 1,461,392.55 = 919,149.30 : x
  2. Step 2: Convert to fraction form
    974,261.70/1,461,392.55 = 919,149.30/x
  3. Step 3: Cross multiply
    974,261.70x = 1,461,392.55 × 919,149.30
  4. Step 4: Simplify right side
    974,261.70x = 1,343,237,939,357.72
  5. Step 5: Solve for x
    x = 1,343,237,939,357.72/974,261.70
  6. Step 6: Final answer
    x = 1,378,723.95

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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.