Home / 1,686,038.38-2,529,887.96-787,349.50

Finding the Fourth Proportional to 1,686,038.38, 2,529,887.96 and 787,349.50

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Solution

The fourth proportional to 1,686,038.38, 2,529,887.96 and 787,349.50 is: 1,181,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,038.38 : 2,529,887.96 = 787,349.50 : x
  2. Step 2: Convert to fraction form
    1,686,038.38/2,529,887.96 = 787,349.50/x
  3. Step 3: Cross multiply
    1,686,038.38x = 2,529,887.96 × 787,349.50
  4. Step 4: Simplify right side
    1,686,038.38x = 1,991,906,024,464.22
  5. Step 5: Solve for x
    x = 1,991,906,024,464.22/1,686,038.38
  6. Step 6: Final answer
    x = 1,181,412.03

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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.