Home / 889,237.20-1,333,855.80-837,915.60

Finding the Fourth Proportional to 889,237.20, 1,333,855.80 and 837,915.60

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Solution

The fourth proportional to 889,237.20, 1,333,855.80 and 837,915.60 is: 1,256,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,237.20 : 1,333,855.80 = 837,915.60 : x
  2. Step 2: Convert to fraction form
    889,237.20/1,333,855.80 = 837,915.60/x
  3. Step 3: Cross multiply
    889,237.20x = 1,333,855.80 × 837,915.60
  4. Step 4: Simplify right side
    889,237.20x = 1,117,658,582,970.48
  5. Step 5: Solve for x
    x = 1,117,658,582,970.48/889,237.20
  6. Step 6: Final answer
    x = 1,256,873.40

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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.