Home / 976,911.60-1,463,423.40-860,012.40

Finding the Fourth Proportional to 976,911.60, 1,463,423.40 and 860,012.40

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Solution

The fourth proportional to 976,911.60, 1,463,423.40 and 860,012.40 is: 1,288,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,911.60 : 1,463,423.40 = 860,012.40 : x
  2. Step 2: Convert to fraction form
    976,911.60/1,463,423.40 = 860,012.40/x
  3. Step 3: Cross multiply
    976,911.60x = 1,463,423.40 × 860,012.40
  4. Step 4: Simplify right side
    976,911.60x = 1,258,562,270,450.16
  5. Step 5: Solve for x
    x = 1,258,562,270,450.16/976,911.60
  6. Step 6: Final answer
    x = 1,288,307.22

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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.