Home / 1,106,688.40-1,658,720.40-993,839.20

Finding the Fourth Proportional to 1,106,688.40, 1,658,720.40 and 993,839.20

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Solution

The fourth proportional to 1,106,688.40, 1,658,720.40 and 993,839.20 is: 1,489,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,688.40 : 1,658,720.40 = 993,839.20 : x
  2. Step 2: Convert to fraction form
    1,106,688.40/1,658,720.40 = 993,839.20/x
  3. Step 3: Cross multiply
    1,106,688.40x = 1,658,720.40 × 993,839.20
  4. Step 4: Simplify right side
    1,106,688.40x = 1,648,501,355,359.68
  5. Step 5: Solve for x
    x = 1,648,501,355,359.68/1,106,688.40
  6. Step 6: Final answer
    x = 1,489,580.41

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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.