Home / 842,912.60-1,264,368.90-837,663.80

Finding the Fourth Proportional to 842,912.60, 1,264,368.90 and 837,663.80

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Solution

The fourth proportional to 842,912.60, 1,264,368.90 and 837,663.80 is: 1,256,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,912.60 : 1,264,368.90 = 837,663.80 : x
  2. Step 2: Convert to fraction form
    842,912.60/1,264,368.90 = 837,663.80/x
  3. Step 3: Cross multiply
    842,912.60x = 1,264,368.90 × 837,663.80
  4. Step 4: Simplify right side
    842,912.60x = 1,059,116,057,375.82
  5. Step 5: Solve for x
    x = 1,059,116,057,375.82/842,912.60
  6. Step 6: Final answer
    x = 1,256,495.70

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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.