Home / 1,110,946.80-1,666,420.20-977,977.20

Finding the Fourth Proportional to 1,110,946.80, 1,666,420.20 and 977,977.20

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Solution

The fourth proportional to 1,110,946.80, 1,666,420.20 and 977,977.20 is: 1,466,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,946.80 : 1,666,420.20 = 977,977.20 : x
  2. Step 2: Convert to fraction form
    1,110,946.80/1,666,420.20 = 977,977.20/x
  3. Step 3: Cross multiply
    1,110,946.80x = 1,666,420.20 × 977,977.20
  4. Step 4: Simplify right side
    1,110,946.80x = 1,629,720,961,219.44
  5. Step 5: Solve for x
    x = 1,629,720,961,219.44/1,110,946.80
  6. Step 6: Final answer
    x = 1,466,965.80

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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.