Home / 1,330,489.60-1,995,345.60-477,462.40

Finding the Fourth Proportional to 1,330,489.60, 1,995,345.60 and 477,462.40

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Solution

The fourth proportional to 1,330,489.60, 1,995,345.60 and 477,462.40 is: 716,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,489.60 : 1,995,345.60 = 477,462.40 : x
  2. Step 2: Convert to fraction form
    1,330,489.60/1,995,345.60 = 477,462.40/x
  3. Step 3: Cross multiply
    1,330,489.60x = 1,995,345.60 × 477,462.40
  4. Step 4: Simplify right side
    1,330,489.60x = 952,702,499,005.44
  5. Step 5: Solve for x
    x = 952,702,499,005.44/1,330,489.60
  6. Step 6: Final answer
    x = 716,054.07

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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.