Home / 1,575,180.20-2,361,215.10-775,807.40

Finding the Fourth Proportional to 1,575,180.20, 2,361,215.10 and 775,807.40

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Solution

The fourth proportional to 1,575,180.20, 2,361,215.10 and 775,807.40 is: 1,162,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,180.20 : 2,361,215.10 = 775,807.40 : x
  2. Step 2: Convert to fraction form
    1,575,180.20/2,361,215.10 = 775,807.40/x
  3. Step 3: Cross multiply
    1,575,180.20x = 2,361,215.10 × 775,807.40
  4. Step 4: Simplify right side
    1,575,180.20x = 1,831,848,147,571.74
  5. Step 5: Solve for x
    x = 1,831,848,147,571.74/1,575,180.20
  6. Step 6: Final answer
    x = 1,162,945.13

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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.