Home / 1,289,559.36-1,934,972.64-580,088.64

Finding the Fourth Proportional to 1,289,559.36, 1,934,972.64 and 580,088.64

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Solution

The fourth proportional to 1,289,559.36, 1,934,972.64 and 580,088.64 is: 870,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,559.36 : 1,934,972.64 = 580,088.64 : x
  2. Step 2: Convert to fraction form
    1,289,559.36/1,934,972.64 = 580,088.64/x
  3. Step 3: Cross multiply
    1,289,559.36x = 1,934,972.64 × 580,088.64
  4. Step 4: Simplify right side
    1,289,559.36x = 1,122,455,647,174.81
  5. Step 5: Solve for x
    x = 1,122,455,647,174.81/1,289,559.36
  6. Step 6: Final answer
    x = 870,417.98

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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.