Home / 1,330,507.60-1,995,372.60-477,480.40

Finding the Fourth Proportional to 1,330,507.60, 1,995,372.60 and 477,480.40

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Solution

The fourth proportional to 1,330,507.60, 1,995,372.60 and 477,480.40 is: 716,081.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,507.60 : 1,995,372.60 = 477,480.40 : x
  2. Step 2: Convert to fraction form
    1,330,507.60/1,995,372.60 = 477,480.40/x
  3. Step 3: Cross multiply
    1,330,507.60x = 1,995,372.60 × 477,480.40
  4. Step 4: Simplify right side
    1,330,507.60x = 952,751,307,197.04
  5. Step 5: Solve for x
    x = 952,751,307,197.04/1,330,507.60
  6. Step 6: Final answer
    x = 716,081.07

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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.