Home / 1,088,880.10-1,631,570.55-910,420.90

Finding the Fourth Proportional to 1,088,880.10, 1,631,570.55 and 910,420.90

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Solution

The fourth proportional to 1,088,880.10, 1,631,570.55 and 910,420.90 is: 1,364,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,880.10 : 1,631,570.55 = 910,420.90 : x
  2. Step 2: Convert to fraction form
    1,088,880.10/1,631,570.55 = 910,420.90/x
  3. Step 3: Cross multiply
    1,088,880.10x = 1,631,570.55 × 910,420.90
  4. Step 4: Simplify right side
    1,088,880.10x = 1,485,415,928,544.50
  5. Step 5: Solve for x
    x = 1,485,415,928,544.50/1,088,880.10
  6. Step 6: Final answer
    x = 1,364,168.50

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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.