Home / 1,070,229.53-1,476,962.88-640,426.93

Finding the Fourth Proportional to 1,070,229.53, 1,476,962.88 and 640,426.93

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Solution

The fourth proportional to 1,070,229.53, 1,476,962.88 and 640,426.93 is: 883,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,229.53 : 1,476,962.88 = 640,426.93 : x
  2. Step 2: Convert to fraction form
    1,070,229.53/1,476,962.88 = 640,426.93/x
  3. Step 3: Cross multiply
    1,070,229.53x = 1,476,962.88 × 640,426.93
  4. Step 4: Simplify right side
    1,070,229.53x = 945,886,796,868.35
  5. Step 5: Solve for x
    x = 945,886,796,868.35/1,070,229.53
  6. Step 6: Final answer
    x = 883,816.76

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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.