Home / 786,827.40-1,180,241.10-726,466.20

Finding the Fourth Proportional to 786,827.40, 1,180,241.10 and 726,466.20

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Solution

The fourth proportional to 786,827.40, 1,180,241.10 and 726,466.20 is: 1,089,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,827.40 : 1,180,241.10 = 726,466.20 : x
  2. Step 2: Convert to fraction form
    786,827.40/1,180,241.10 = 726,466.20/x
  3. Step 3: Cross multiply
    786,827.40x = 1,180,241.10 × 726,466.20
  4. Step 4: Simplify right side
    786,827.40x = 857,405,267,000.82
  5. Step 5: Solve for x
    x = 857,405,267,000.82/786,827.40
  6. Step 6: Final answer
    x = 1,089,699.30

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1.5x scale

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.