Home / 1,416,451.72-2,125,304.70-742,372.36

Finding the Fourth Proportional to 1,416,451.72, 2,125,304.70 and 742,372.36

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Solution

The fourth proportional to 1,416,451.72, 2,125,304.70 and 742,372.36 is: 1,113,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,451.72 : 2,125,304.70 = 742,372.36 : x
  2. Step 2: Convert to fraction form
    1,416,451.72/2,125,304.70 = 742,372.36/x
  3. Step 3: Cross multiply
    1,416,451.72x = 2,125,304.70 × 742,372.36
  4. Step 4: Simplify right side
    1,416,451.72x = 1,577,767,465,858.09
  5. Step 5: Solve for x
    x = 1,577,767,465,858.09/1,416,451.72
  6. Step 6: Final answer
    x = 1,113,887.22

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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.