Home / 984,970.20-1,477,455.30-667,709.40

Finding the Fourth Proportional to 984,970.20, 1,477,455.30 and 667,709.40

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Solution

The fourth proportional to 984,970.20, 1,477,455.30 and 667,709.40 is: 1,001,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,970.20 : 1,477,455.30 = 667,709.40 : x
  2. Step 2: Convert to fraction form
    984,970.20/1,477,455.30 = 667,709.40/x
  3. Step 3: Cross multiply
    984,970.20x = 1,477,455.30 × 667,709.40
  4. Step 4: Simplify right side
    984,970.20x = 986,510,791,889.82
  5. Step 5: Solve for x
    x = 986,510,791,889.82/984,970.20
  6. Step 6: Final answer
    x = 1,001,564.10

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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.