Home / 1,048,399.20-1,573,765.20-649,490.40

Finding the Fourth Proportional to 1,048,399.20, 1,573,765.20 and 649,490.40

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Solution

The fourth proportional to 1,048,399.20, 1,573,765.20 and 649,490.40 is: 974,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,399.20 : 1,573,765.20 = 649,490.40 : x
  2. Step 2: Convert to fraction form
    1,048,399.20/1,573,765.20 = 649,490.40/x
  3. Step 3: Cross multiply
    1,048,399.20x = 1,573,765.20 × 649,490.40
  4. Step 4: Simplify right side
    1,048,399.20x = 1,022,145,389,254.08
  5. Step 5: Solve for x
    x = 1,022,145,389,254.08/1,048,399.20
  6. Step 6: Final answer
    x = 974,958.19

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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.