Home / 1,207,638.60-1,811,676.60-607,088.40

Finding the Fourth Proportional to 1,207,638.60, 1,811,676.60 and 607,088.40

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Solution

The fourth proportional to 1,207,638.60, 1,811,676.60 and 607,088.40 is: 910,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,638.60 : 1,811,676.60 = 607,088.40 : x
  2. Step 2: Convert to fraction form
    1,207,638.60/1,811,676.60 = 607,088.40/x
  3. Step 3: Cross multiply
    1,207,638.60x = 1,811,676.60 × 607,088.40
  4. Step 4: Simplify right side
    1,207,638.60x = 1,099,847,848,411.44
  5. Step 5: Solve for x
    x = 1,099,847,848,411.44/1,207,638.60
  6. Step 6: Final answer
    x = 910,742.54

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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.