Home / 1,357,400.40-1,873,004.16-784,329.44

Finding the Fourth Proportional to 1,357,400.40, 1,873,004.16 and 784,329.44

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Solution

The fourth proportional to 1,357,400.40, 1,873,004.16 and 784,329.44 is: 1,082,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,400.40 : 1,873,004.16 = 784,329.44 : x
  2. Step 2: Convert to fraction form
    1,357,400.40/1,873,004.16 = 784,329.44/x
  3. Step 3: Cross multiply
    1,357,400.40x = 1,873,004.16 × 784,329.44
  4. Step 4: Simplify right side
    1,357,400.40x = 1,469,052,303,930.47
  5. Step 5: Solve for x
    x = 1,469,052,303,930.47/1,357,400.40
  6. Step 6: Final answer
    x = 1,082,254.21

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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.