Home / 1,128,476.42-1,557,297.48-645,052.04

Finding the Fourth Proportional to 1,128,476.42, 1,557,297.48 and 645,052.04

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Solution

The fourth proportional to 1,128,476.42, 1,557,297.48 and 645,052.04 is: 890,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,476.42 : 1,557,297.48 = 645,052.04 : x
  2. Step 2: Convert to fraction form
    1,128,476.42/1,557,297.48 = 645,052.04/x
  3. Step 3: Cross multiply
    1,128,476.42x = 1,557,297.48 × 645,052.04
  4. Step 4: Simplify right side
    1,128,476.42x = 1,004,537,916,360.86
  5. Step 5: Solve for x
    x = 1,004,537,916,360.86/1,128,476.42
  6. Step 6: Final answer
    x = 890,171.83

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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.