Home / 977,171.20-1,465,756.80-819,707.20

Finding the Fourth Proportional to 977,171.20, 1,465,756.80 and 819,707.20

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Solution

The fourth proportional to 977,171.20, 1,465,756.80 and 819,707.20 is: 1,229,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,171.20 : 1,465,756.80 = 819,707.20 : x
  2. Step 2: Convert to fraction form
    977,171.20/1,465,756.80 = 819,707.20/x
  3. Step 3: Cross multiply
    977,171.20x = 1,465,756.80 × 819,707.20
  4. Step 4: Simplify right side
    977,171.20x = 1,201,491,402,408.96
  5. Step 5: Solve for x
    x = 1,201,491,402,408.96/977,171.20
  6. Step 6: Final answer
    x = 1,229,560.80

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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.