Home / 1,330,808.50-1,996,784.79-432,525.70

Finding the Fourth Proportional to 1,330,808.50, 1,996,784.79 and 432,525.70

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Solution

The fourth proportional to 1,330,808.50, 1,996,784.79 and 432,525.70 is: 648,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,808.50 : 1,996,784.79 = 432,525.70 : x
  2. Step 2: Convert to fraction form
    1,330,808.50/1,996,784.79 = 432,525.70/x
  3. Step 3: Cross multiply
    1,330,808.50x = 1,996,784.79 × 432,525.70
  4. Step 4: Simplify right side
    1,330,808.50x = 863,660,739,044.10
  5. Step 5: Solve for x
    x = 863,660,739,044.10/1,330,808.50
  6. Step 6: Final answer
    x = 648,974.47

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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.