Home / 1,047,015.18-1,570,435.20-415,759.50

Finding the Fourth Proportional to 1,047,015.18, 1,570,435.20 and 415,759.50

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Solution

The fourth proportional to 1,047,015.18, 1,570,435.20 and 415,759.50 is: 623,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,015.18 : 1,570,435.20 = 415,759.50 : x
  2. Step 2: Convert to fraction form
    1,047,015.18/1,570,435.20 = 415,759.50/x
  3. Step 3: Cross multiply
    1,047,015.18x = 1,570,435.20 × 415,759.50
  4. Step 4: Simplify right side
    1,047,015.18x = 652,923,353,534.40
  5. Step 5: Solve for x
    x = 652,923,353,534.40/1,047,015.18
  6. Step 6: Final answer
    x = 623,604.48

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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.