Home / 1,313,831.90-1,813,090.68-710,219.90

Finding the Fourth Proportional to 1,313,831.90, 1,813,090.68 and 710,219.90

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Solution

The fourth proportional to 1,313,831.90, 1,813,090.68 and 710,219.90 is: 980,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,831.90 : 1,813,090.68 = 710,219.90 : x
  2. Step 2: Convert to fraction form
    1,313,831.90/1,813,090.68 = 710,219.90/x
  3. Step 3: Cross multiply
    1,313,831.90x = 1,813,090.68 × 710,219.90
  4. Step 4: Simplify right side
    1,313,831.90x = 1,287,693,081,440.53
  5. Step 5: Solve for x
    x = 1,287,693,081,440.53/1,313,831.90
  6. Step 6: Final answer
    x = 980,104.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.