Home / 1,678,037.87-2,315,624.46-1,025,756.31

Finding the Fourth Proportional to 1,678,037.87, 2,315,624.46 and 1,025,756.31

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Solution

The fourth proportional to 1,678,037.87, 2,315,624.46 and 1,025,756.31 is: 1,415,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,037.87 : 2,315,624.46 = 1,025,756.31 : x
  2. Step 2: Convert to fraction form
    1,678,037.87/2,315,624.46 = 1,025,756.31/x
  3. Step 3: Cross multiply
    1,678,037.87x = 2,315,624.46 × 1,025,756.31
  4. Step 4: Simplify right side
    1,678,037.87x = 2,375,266,393,246.96
  5. Step 5: Solve for x
    x = 2,375,266,393,246.96/1,678,037.87
  6. Step 6: Final answer
    x = 1,415,502.26

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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.