Home / 977,146.20-1,465,719.30-819,682.20

Finding the Fourth Proportional to 977,146.20, 1,465,719.30 and 819,682.20

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Solution

The fourth proportional to 977,146.20, 1,465,719.30 and 819,682.20 is: 1,229,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,146.20 : 1,465,719.30 = 819,682.20 : x
  2. Step 2: Convert to fraction form
    977,146.20/1,465,719.30 = 819,682.20/x
  3. Step 3: Cross multiply
    977,146.20x = 1,465,719.30 × 819,682.20
  4. Step 4: Simplify right side
    977,146.20x = 1,201,424,020,406.46
  5. Step 5: Solve for x
    x = 1,201,424,020,406.46/977,146.20
  6. Step 6: Final answer
    x = 1,229,523.30

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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.