Home / 1,230,461.32-1,845,979-420,852

Finding the Fourth Proportional to 1,230,461.32, 1,845,979 and 420,852

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Solution

The fourth proportional to 1,230,461.32, 1,845,979 and 420,852 is: 631,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,461.32 : 1,845,979 = 420,852 : x
  2. Step 2: Convert to fraction form
    1,230,461.32/1,845,979 = 420,852/x
  3. Step 3: Cross multiply
    1,230,461.32x = 1,845,979 × 420,852
  4. Step 4: Simplify right side
    1,230,461.32x = 776,883,954,108
  5. Step 5: Solve for x
    x = 776,883,954,108/1,230,461.32
  6. Step 6: Final answer
    x = 631,376.17

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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.