Home / 1,330,796.40-1,996,486.20-432,085.20

Finding the Fourth Proportional to 1,330,796.40, 1,996,486.20 and 432,085.20

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Solution

The fourth proportional to 1,330,796.40, 1,996,486.20 and 432,085.20 is: 648,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,796.40 : 1,996,486.20 = 432,085.20 : x
  2. Step 2: Convert to fraction form
    1,330,796.40/1,996,486.20 = 432,085.20/x
  3. Step 3: Cross multiply
    1,330,796.40x = 1,996,486.20 × 432,085.20
  4. Step 4: Simplify right side
    1,330,796.40x = 862,652,139,024.24
  5. Step 5: Solve for x
    x = 862,652,139,024.24/1,330,796.40
  6. Step 6: Final answer
    x = 648,222.48

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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.