Home / 1,313,659.60-1,970,489.40-714,389.20

Finding the Fourth Proportional to 1,313,659.60, 1,970,489.40 and 714,389.20

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Solution

The fourth proportional to 1,313,659.60, 1,970,489.40 and 714,389.20 is: 1,071,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,659.60 : 1,970,489.40 = 714,389.20 : x
  2. Step 2: Convert to fraction form
    1,313,659.60/1,970,489.40 = 714,389.20/x
  3. Step 3: Cross multiply
    1,313,659.60x = 1,970,489.40 × 714,389.20
  4. Step 4: Simplify right side
    1,313,659.60x = 1,407,696,346,074.48
  5. Step 5: Solve for x
    x = 1,407,696,346,074.48/1,313,659.60
  6. Step 6: Final answer
    x = 1,071,583.80

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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.