Home / 1,373,858.88-2,061,041.76-427,168.32

Finding the Fourth Proportional to 1,373,858.88, 2,061,041.76 and 427,168.32

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Solution

The fourth proportional to 1,373,858.88, 2,061,041.76 and 427,168.32 is: 640,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,858.88 : 2,061,041.76 = 427,168.32 : x
  2. Step 2: Convert to fraction form
    1,373,858.88/2,061,041.76 = 427,168.32/x
  3. Step 3: Cross multiply
    1,373,858.88x = 2,061,041.76 × 427,168.32
  4. Step 4: Simplify right side
    1,373,858.88x = 880,411,746,069.04
  5. Step 5: Solve for x
    x = 880,411,746,069.04/1,373,858.88
  6. Step 6: Final answer
    x = 640,831.28

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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.