Home / 1,243,670.08-1,862,515.62-709,571.86

Finding the Fourth Proportional to 1,243,670.08, 1,862,515.62 and 709,571.86

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Solution

The fourth proportional to 1,243,670.08, 1,862,515.62 and 709,571.86 is: 1,062,652.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,670.08 : 1,862,515.62 = 709,571.86 : x
  2. Step 2: Convert to fraction form
    1,243,670.08/1,862,515.62 = 709,571.86/x
  3. Step 3: Cross multiply
    1,243,670.08x = 1,862,515.62 × 709,571.86
  4. Step 4: Simplify right side
    1,243,670.08x = 1,321,588,672,762.45
  5. Step 5: Solve for x
    x = 1,321,588,672,762.45/1,243,670.08
  6. Step 6: Final answer
    x = 1,062,652.14

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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.