Home / 977,559.20-1,466,338.80-961,812.80

Finding the Fourth Proportional to 977,559.20, 1,466,338.80 and 961,812.80

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Solution

The fourth proportional to 977,559.20, 1,466,338.80 and 961,812.80 is: 1,442,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,559.20 : 1,466,338.80 = 961,812.80 : x
  2. Step 2: Convert to fraction form
    977,559.20/1,466,338.80 = 961,812.80/x
  3. Step 3: Cross multiply
    977,559.20x = 1,466,338.80 × 961,812.80
  4. Step 4: Simplify right side
    977,559.20x = 1,410,343,426,976.64
  5. Step 5: Solve for x
    x = 1,410,343,426,976.64/977,559.20
  6. Step 6: Final answer
    x = 1,442,719.20

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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.