Home / 971,712.60-1,457,568.90-853,614.60

Finding the Fourth Proportional to 971,712.60, 1,457,568.90 and 853,614.60

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Solution

The fourth proportional to 971,712.60, 1,457,568.90 and 853,614.60 is: 1,280,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,712.60 : 1,457,568.90 = 853,614.60 : x
  2. Step 2: Convert to fraction form
    971,712.60/1,457,568.90 = 853,614.60/x
  3. Step 3: Cross multiply
    971,712.60x = 1,457,568.90 × 853,614.60
  4. Step 4: Simplify right side
    971,712.60x = 1,244,202,093,545.94
  5. Step 5: Solve for x
    x = 1,244,202,093,545.94/971,712.60
  6. Step 6: Final answer
    x = 1,280,421.90

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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.