Home / 1,320,010.60-1,980,015.90-949,527.40

Finding the Fourth Proportional to 1,320,010.60, 1,980,015.90 and 949,527.40

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Solution

The fourth proportional to 1,320,010.60, 1,980,015.90 and 949,527.40 is: 1,424,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,010.60 : 1,980,015.90 = 949,527.40 : x
  2. Step 2: Convert to fraction form
    1,320,010.60/1,980,015.90 = 949,527.40/x
  3. Step 3: Cross multiply
    1,320,010.60x = 1,980,015.90 × 949,527.40
  4. Step 4: Simplify right side
    1,320,010.60x = 1,880,079,349,485.66
  5. Step 5: Solve for x
    x = 1,880,079,349,485.66/1,320,010.60
  6. Step 6: Final answer
    x = 1,424,291.10

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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.