Home / 977,215.60-1,462,972.20-697,279.60

Finding the Fourth Proportional to 977,215.60, 1,462,972.20 and 697,279.60

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Solution

The fourth proportional to 977,215.60, 1,462,972.20 and 697,279.60 is: 1,043,884.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,215.60 : 1,462,972.20 = 697,279.60 : x
  2. Step 2: Convert to fraction form
    977,215.60/1,462,972.20 = 697,279.60/x
  3. Step 3: Cross multiply
    977,215.60x = 1,462,972.20 × 697,279.60
  4. Step 4: Simplify right side
    977,215.60x = 1,020,100,670,427.12
  5. Step 5: Solve for x
    x = 1,020,100,670,427.12/977,215.60
  6. Step 6: Final answer
    x = 1,043,884.96

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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.