Home / 1,507,907.60-2,261,642.70-442,838.60

Finding the Fourth Proportional to 1,507,907.60, 2,261,642.70 and 442,838.60

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Solution

The fourth proportional to 1,507,907.60, 2,261,642.70 and 442,838.60 is: 664,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,907.60 : 2,261,642.70 = 442,838.60 : x
  2. Step 2: Convert to fraction form
    1,507,907.60/2,261,642.70 = 442,838.60/x
  3. Step 3: Cross multiply
    1,507,907.60x = 2,261,642.70 × 442,838.60
  4. Step 4: Simplify right side
    1,507,907.60x = 1,001,542,686,968.22
  5. Step 5: Solve for x
    x = 1,001,542,686,968.22/1,507,907.60
  6. Step 6: Final answer
    x = 664,193.67

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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.