Home / 971,338.20-1,457,007.30-869,861.40

Finding the Fourth Proportional to 971,338.20, 1,457,007.30 and 869,861.40

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Solution

The fourth proportional to 971,338.20, 1,457,007.30 and 869,861.40 is: 1,304,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,338.20 : 1,457,007.30 = 869,861.40 : x
  2. Step 2: Convert to fraction form
    971,338.20/1,457,007.30 = 869,861.40/x
  3. Step 3: Cross multiply
    971,338.20x = 1,457,007.30 × 869,861.40
  4. Step 4: Simplify right side
    971,338.20x = 1,267,394,409,788.22
  5. Step 5: Solve for x
    x = 1,267,394,409,788.22/971,338.20
  6. Step 6: Final answer
    x = 1,304,792.10

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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.