Home / 1,048,987.68-1,576,480.16-977,907.72

Finding the Fourth Proportional to 1,048,987.68, 1,576,480.16 and 977,907.72

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Solution

The fourth proportional to 1,048,987.68, 1,576,480.16 and 977,907.72 is: 1,469,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,987.68 : 1,576,480.16 = 977,907.72 : x
  2. Step 2: Convert to fraction form
    1,048,987.68/1,576,480.16 = 977,907.72/x
  3. Step 3: Cross multiply
    1,048,987.68x = 1,576,480.16 × 977,907.72
  4. Step 4: Simplify right side
    1,048,987.68x = 1,541,652,118,890.84
  5. Step 5: Solve for x
    x = 1,541,652,118,890.84/1,048,987.68
  6. Step 6: Final answer
    x = 1,469,657.03

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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.