Home / 977,485.20-1,466,227.80-820,021.20

Finding the Fourth Proportional to 977,485.20, 1,466,227.80 and 820,021.20

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Solution

The fourth proportional to 977,485.20, 1,466,227.80 and 820,021.20 is: 1,230,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,485.20 : 1,466,227.80 = 820,021.20 : x
  2. Step 2: Convert to fraction form
    977,485.20/1,466,227.80 = 820,021.20/x
  3. Step 3: Cross multiply
    977,485.20x = 1,466,227.80 × 820,021.20
  4. Step 4: Simplify right side
    977,485.20x = 1,202,337,880,029.36
  5. Step 5: Solve for x
    x = 1,202,337,880,029.36/977,485.20
  6. Step 6: Final answer
    x = 1,230,031.80

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Similar ratio
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1.5x scale

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.