Home / 988,923.20-1,483,384.80-971,427.20

Finding the Fourth Proportional to 988,923.20, 1,483,384.80 and 971,427.20

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Solution

The fourth proportional to 988,923.20, 1,483,384.80 and 971,427.20 is: 1,457,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,923.20 : 1,483,384.80 = 971,427.20 : x
  2. Step 2: Convert to fraction form
    988,923.20/1,483,384.80 = 971,427.20/x
  3. Step 3: Cross multiply
    988,923.20x = 1,483,384.80 × 971,427.20
  4. Step 4: Simplify right side
    988,923.20x = 1,441,000,342,786.56
  5. Step 5: Solve for x
    x = 1,441,000,342,786.56/988,923.20
  6. Step 6: Final answer
    x = 1,457,140.80

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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.