Home / 1,240,627.20-1,860,940.80-609,410.40

Finding the Fourth Proportional to 1,240,627.20, 1,860,940.80 and 609,410.40

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Solution

The fourth proportional to 1,240,627.20, 1,860,940.80 and 609,410.40 is: 914,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,627.20 : 1,860,940.80 = 609,410.40 : x
  2. Step 2: Convert to fraction form
    1,240,627.20/1,860,940.80 = 609,410.40/x
  3. Step 3: Cross multiply
    1,240,627.20x = 1,860,940.80 × 609,410.40
  4. Step 4: Simplify right side
    1,240,627.20x = 1,134,076,677,304.32
  5. Step 5: Solve for x
    x = 1,134,076,677,304.32/1,240,627.20
  6. Step 6: Final answer
    x = 914,115.60

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Similar ratio
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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.