Home / 1,522,356.30-2,277,629.55-990,915.30

Finding the Fourth Proportional to 1,522,356.30, 2,277,629.55 and 990,915.30

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Solution

The fourth proportional to 1,522,356.30, 2,277,629.55 and 990,915.30 is: 1,482,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,356.30 : 2,277,629.55 = 990,915.30 : x
  2. Step 2: Convert to fraction form
    1,522,356.30/2,277,629.55 = 990,915.30/x
  3. Step 3: Cross multiply
    1,522,356.30x = 2,277,629.55 × 990,915.30
  4. Step 4: Simplify right side
    1,522,356.30x = 2,256,937,968,827.11
  5. Step 5: Solve for x
    x = 2,256,937,968,827.11/1,522,356.30
  6. Step 6: Final answer
    x = 1,482,529.40

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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.