Home / 977,226.20-1,465,839.30-819,762.20

Finding the Fourth Proportional to 977,226.20, 1,465,839.30 and 819,762.20

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Solution

The fourth proportional to 977,226.20, 1,465,839.30 and 819,762.20 is: 1,229,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,226.20 : 1,465,839.30 = 819,762.20 : x
  2. Step 2: Convert to fraction form
    977,226.20/1,465,839.30 = 819,762.20/x
  3. Step 3: Cross multiply
    977,226.20x = 1,465,839.30 × 819,762.20
  4. Step 4: Simplify right side
    977,226.20x = 1,201,639,649,414.46
  5. Step 5: Solve for x
    x = 1,201,639,649,414.46/977,226.20
  6. Step 6: Final answer
    x = 1,229,643.30

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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.