Home / 971,333.70-1,457,000.55-965,112.90

Finding the Fourth Proportional to 971,333.70, 1,457,000.55 and 965,112.90

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Solution

The fourth proportional to 971,333.70, 1,457,000.55 and 965,112.90 is: 1,447,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,333.70 : 1,457,000.55 = 965,112.90 : x
  2. Step 2: Convert to fraction form
    971,333.70/1,457,000.55 = 965,112.90/x
  3. Step 3: Cross multiply
    971,333.70x = 1,457,000.55 × 965,112.90
  4. Step 4: Simplify right side
    971,333.70x = 1,406,170,026,112.10
  5. Step 5: Solve for x
    x = 1,406,170,026,112.10/971,333.70
  6. Step 6: Final answer
    x = 1,447,669.35

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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.