Home / 1,347,194.30-2,021,569.05-505,831.10

Finding the Fourth Proportional to 1,347,194.30, 2,021,569.05 and 505,831.10

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Solution

The fourth proportional to 1,347,194.30, 2,021,569.05 and 505,831.10 is: 759,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,194.30 : 2,021,569.05 = 505,831.10 : x
  2. Step 2: Convert to fraction form
    1,347,194.30/2,021,569.05 = 505,831.10/x
  3. Step 3: Cross multiply
    1,347,194.30x = 2,021,569.05 × 505,831.10
  4. Step 4: Simplify right side
    1,347,194.30x = 1,022,572,496,287.46
  5. Step 5: Solve for x
    x = 1,022,572,496,287.46/1,347,194.30
  6. Step 6: Final answer
    x = 759,038.62

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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.