Home / 1,469,756.80-2,028,296.51-807,477.21

Finding the Fourth Proportional to 1,469,756.80, 2,028,296.51 and 807,477.21

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Solution

The fourth proportional to 1,469,756.80, 2,028,296.51 and 807,477.21 is: 1,114,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,756.80 : 2,028,296.51 = 807,477.21 : x
  2. Step 2: Convert to fraction form
    1,469,756.80/2,028,296.51 = 807,477.21/x
  3. Step 3: Cross multiply
    1,469,756.80x = 2,028,296.51 × 807,477.21
  4. Step 4: Simplify right side
    1,469,756.80x = 1,637,803,216,184.83
  5. Step 5: Solve for x
    x = 1,637,803,216,184.83/1,469,756.80
  6. Step 6: Final answer
    x = 1,114,336.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.