Home / 1,320,007.60-1,980,011.40-949,524.40

Finding the Fourth Proportional to 1,320,007.60, 1,980,011.40 and 949,524.40

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Solution

The fourth proportional to 1,320,007.60, 1,980,011.40 and 949,524.40 is: 1,424,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,007.60 : 1,980,011.40 = 949,524.40 : x
  2. Step 2: Convert to fraction form
    1,320,007.60/1,980,011.40 = 949,524.40/x
  3. Step 3: Cross multiply
    1,320,007.60x = 1,980,011.40 × 949,524.40
  4. Step 4: Simplify right side
    1,320,007.60x = 1,880,069,136,578.16
  5. Step 5: Solve for x
    x = 1,880,069,136,578.16/1,320,007.60
  6. Step 6: Final answer
    x = 1,424,286.60

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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.