Home / 1,263,904.60-1,896,116.10-423,059.80

Finding the Fourth Proportional to 1,263,904.60, 1,896,116.10 and 423,059.80

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Solution

The fourth proportional to 1,263,904.60, 1,896,116.10 and 423,059.80 is: 634,676.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,904.60 : 1,896,116.10 = 423,059.80 : x
  2. Step 2: Convert to fraction form
    1,263,904.60/1,896,116.10 = 423,059.80/x
  3. Step 3: Cross multiply
    1,263,904.60x = 1,896,116.10 × 423,059.80
  4. Step 4: Simplify right side
    1,263,904.60x = 802,170,498,042.78
  5. Step 5: Solve for x
    x = 802,170,498,042.78/1,263,904.60
  6. Step 6: Final answer
    x = 634,676.46

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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.