Home / 1,330,337.20-1,995,505.80-488,779.60

Finding the Fourth Proportional to 1,330,337.20, 1,995,505.80 and 488,779.60

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Solution

The fourth proportional to 1,330,337.20, 1,995,505.80 and 488,779.60 is: 733,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,337.20 : 1,995,505.80 = 488,779.60 : x
  2. Step 2: Convert to fraction form
    1,330,337.20/1,995,505.80 = 488,779.60/x
  3. Step 3: Cross multiply
    1,330,337.20x = 1,995,505.80 × 488,779.60
  4. Step 4: Simplify right side
    1,330,337.20x = 975,362,526,721.68
  5. Step 5: Solve for x
    x = 975,362,526,721.68/1,330,337.20
  6. Step 6: Final answer
    x = 733,169.40

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1.5x scale

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.