Home / 1,530,009.80-2,289,765.90-1,404,038.60

Finding the Fourth Proportional to 1,530,009.80, 2,289,765.90 and 1,404,038.60

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Solution

The fourth proportional to 1,530,009.80, 2,289,765.90 and 1,404,038.60 is: 2,101,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,009.80 : 2,289,765.90 = 1,404,038.60 : x
  2. Step 2: Convert to fraction form
    1,530,009.80/2,289,765.90 = 1,404,038.60/x
  3. Step 3: Cross multiply
    1,530,009.80x = 2,289,765.90 × 1,404,038.60
  4. Step 4: Simplify right side
    1,530,009.80x = 3,214,919,708,563.74
  5. Step 5: Solve for x
    x = 3,214,919,708,563.74/1,530,009.80
  6. Step 6: Final answer
    x = 2,101,241.25

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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.