Home / 1,142,804.56-1,576,751.08-900,334.64

Finding the Fourth Proportional to 1,142,804.56, 1,576,751.08 and 900,334.64

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Solution

The fourth proportional to 1,142,804.56, 1,576,751.08 and 900,334.64 is: 1,242,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,804.56 : 1,576,751.08 = 900,334.64 : x
  2. Step 2: Convert to fraction form
    1,142,804.56/1,576,751.08 = 900,334.64/x
  3. Step 3: Cross multiply
    1,142,804.56x = 1,576,751.08 × 900,334.64
  4. Step 4: Simplify right side
    1,142,804.56x = 1,419,603,615,981.41
  5. Step 5: Solve for x
    x = 1,419,603,615,981.41/1,142,804.56
  6. Step 6: Final answer
    x = 1,242,210.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.