Home / 1,249,175.70-1,872,615.42-450,261.72

Finding the Fourth Proportional to 1,249,175.70, 1,872,615.42 and 450,261.72

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Solution

The fourth proportional to 1,249,175.70, 1,872,615.42 and 450,261.72 is: 674,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,175.70 : 1,872,615.42 = 450,261.72 : x
  2. Step 2: Convert to fraction form
    1,249,175.70/1,872,615.42 = 450,261.72/x
  3. Step 3: Cross multiply
    1,249,175.70x = 1,872,615.42 × 450,261.72
  4. Step 4: Simplify right side
    1,249,175.70x = 843,167,039,907.72
  5. Step 5: Solve for x
    x = 843,167,039,907.72/1,249,175.70
  6. Step 6: Final answer
    x = 674,978.74

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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.