Home / 1,379,901.02-2,070,122.40-481,372.07

Finding the Fourth Proportional to 1,379,901.02, 2,070,122.40 and 481,372.07

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Solution

The fourth proportional to 1,379,901.02, 2,070,122.40 and 481,372.07 is: 722,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,901.02 : 2,070,122.40 = 481,372.07 : x
  2. Step 2: Convert to fraction form
    1,379,901.02/2,070,122.40 = 481,372.07/x
  3. Step 3: Cross multiply
    1,379,901.02x = 2,070,122.40 × 481,372.07
  4. Step 4: Simplify right side
    1,379,901.02x = 996,499,094,490.76
  5. Step 5: Solve for x
    x = 996,499,094,490.76/1,379,901.02
  6. Step 6: Final answer
    x = 722,152.59

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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.