Home / 1,043,140.20-1,564,710.30-511,002.60

Finding the Fourth Proportional to 1,043,140.20, 1,564,710.30 and 511,002.60

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Solution

The fourth proportional to 1,043,140.20, 1,564,710.30 and 511,002.60 is: 766,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,140.20 : 1,564,710.30 = 511,002.60 : x
  2. Step 2: Convert to fraction form
    1,043,140.20/1,564,710.30 = 511,002.60/x
  3. Step 3: Cross multiply
    1,043,140.20x = 1,564,710.30 × 511,002.60
  4. Step 4: Simplify right side
    1,043,140.20x = 799,571,031,546.78
  5. Step 5: Solve for x
    x = 799,571,031,546.78/1,043,140.20
  6. Step 6: Final answer
    x = 766,503.90

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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.