Home / 1,330,357.60-1,995,147.60-477,330.40

Finding the Fourth Proportional to 1,330,357.60, 1,995,147.60 and 477,330.40

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Solution

The fourth proportional to 1,330,357.60, 1,995,147.60 and 477,330.40 is: 715,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,357.60 : 1,995,147.60 = 477,330.40 : x
  2. Step 2: Convert to fraction form
    1,330,357.60/1,995,147.60 = 477,330.40/x
  3. Step 3: Cross multiply
    1,330,357.60x = 1,995,147.60 × 477,330.40
  4. Step 4: Simplify right side
    1,330,357.60x = 952,344,601,967.04
  5. Step 5: Solve for x
    x = 952,344,601,967.04/1,330,357.60
  6. Step 6: Final answer
    x = 715,856.10

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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.