Home / 1,066,468.19-1,599,703.90-427,059.86

Finding the Fourth Proportional to 1,066,468.19, 1,599,703.90 and 427,059.86

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Solution

The fourth proportional to 1,066,468.19, 1,599,703.90 and 427,059.86 is: 640,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,468.19 : 1,599,703.90 = 427,059.86 : x
  2. Step 2: Convert to fraction form
    1,066,468.19/1,599,703.90 = 427,059.86/x
  3. Step 3: Cross multiply
    1,066,468.19x = 1,599,703.90 × 427,059.86
  4. Step 4: Simplify right side
    1,066,468.19x = 683,169,314,509.29
  5. Step 5: Solve for x
    x = 683,169,314,509.29/1,066,468.19
  6. Step 6: Final answer
    x = 640,590.43

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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.