Home / 1,332,904.80-1,999,357.20-766,034.40

Finding the Fourth Proportional to 1,332,904.80, 1,999,357.20 and 766,034.40

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Solution

The fourth proportional to 1,332,904.80, 1,999,357.20 and 766,034.40 is: 1,149,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,904.80 : 1,999,357.20 = 766,034.40 : x
  2. Step 2: Convert to fraction form
    1,332,904.80/1,999,357.20 = 766,034.40/x
  3. Step 3: Cross multiply
    1,332,904.80x = 1,999,357.20 × 766,034.40
  4. Step 4: Simplify right side
    1,332,904.80x = 1,531,576,393,087.68
  5. Step 5: Solve for x
    x = 1,531,576,393,087.68/1,332,904.80
  6. Step 6: Final answer
    x = 1,149,051.60

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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.