Home / 1,330,472.88-1,994,798.40-477,525.60

Finding the Fourth Proportional to 1,330,472.88, 1,994,798.40 and 477,525.60

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Solution

The fourth proportional to 1,330,472.88, 1,994,798.40 and 477,525.60 is: 715,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,472.88 : 1,994,798.40 = 477,525.60 : x
  2. Step 2: Convert to fraction form
    1,330,472.88/1,994,798.40 = 477,525.60/x
  3. Step 3: Cross multiply
    1,330,472.88x = 1,994,798.40 × 477,525.60
  4. Step 4: Simplify right side
    1,330,472.88x = 952,567,302,839.04
  5. Step 5: Solve for x
    x = 952,567,302,839.04/1,330,472.88
  6. Step 6: Final answer
    x = 715,961.46

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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.