Home / 1,380,359.60-2,070,609.60-433,739.60

Finding the Fourth Proportional to 1,380,359.60, 2,070,609.60 and 433,739.60

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Solution

The fourth proportional to 1,380,359.60, 2,070,609.60 and 433,739.60 is: 650,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,359.60 : 2,070,609.60 = 433,739.60 : x
  2. Step 2: Convert to fraction form
    1,380,359.60/2,070,609.60 = 433,739.60/x
  3. Step 3: Cross multiply
    1,380,359.60x = 2,070,609.60 × 433,739.60
  4. Step 4: Simplify right side
    1,380,359.60x = 898,105,379,660.16
  5. Step 5: Solve for x
    x = 898,105,379,660.16/1,380,359.60
  6. Step 6: Final answer
    x = 650,631.46

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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.