Home / 1,330,485.60-1,995,339.60-477,458.40

Finding the Fourth Proportional to 1,330,485.60, 1,995,339.60 and 477,458.40

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Solution

The fourth proportional to 1,330,485.60, 1,995,339.60 and 477,458.40 is: 716,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,485.60 : 1,995,339.60 = 477,458.40 : x
  2. Step 2: Convert to fraction form
    1,330,485.60/1,995,339.60 = 477,458.40/x
  3. Step 3: Cross multiply
    1,330,485.60x = 1,995,339.60 × 477,458.40
  4. Step 4: Simplify right side
    1,330,485.60x = 952,691,652,872.64
  5. Step 5: Solve for x
    x = 952,691,652,872.64/1,330,485.60
  6. Step 6: Final answer
    x = 716,048.08

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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.