Home / 1,313,999.60-1,970,999.40-367,368.80

Finding the Fourth Proportional to 1,313,999.60, 1,970,999.40 and 367,368.80

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Solution

The fourth proportional to 1,313,999.60, 1,970,999.40 and 367,368.80 is: 551,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,999.60 : 1,970,999.40 = 367,368.80 : x
  2. Step 2: Convert to fraction form
    1,313,999.60/1,970,999.40 = 367,368.80/x
  3. Step 3: Cross multiply
    1,313,999.60x = 1,970,999.40 × 367,368.80
  4. Step 4: Simplify right side
    1,313,999.60x = 724,083,684,378.72
  5. Step 5: Solve for x
    x = 724,083,684,378.72/1,313,999.60
  6. Step 6: Final answer
    x = 551,053.20

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1.5x scale

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.