Home / 1,048,996.40-1,572,328.20-449,855.60

Finding the Fourth Proportional to 1,048,996.40, 1,572,328.20 and 449,855.60

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Solution

The fourth proportional to 1,048,996.40, 1,572,328.20 and 449,855.60 is: 674,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,996.40 : 1,572,328.20 = 449,855.60 : x
  2. Step 2: Convert to fraction form
    1,048,996.40/1,572,328.20 = 449,855.60/x
  3. Step 3: Cross multiply
    1,048,996.40x = 1,572,328.20 × 449,855.60
  4. Step 4: Simplify right side
    1,048,996.40x = 707,320,645,807.92
  5. Step 5: Solve for x
    x = 707,320,645,807.92/1,048,996.40
  6. Step 6: Final answer
    x = 674,283.20

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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.