Home / 1,398,211.40-2,095,934.70-555,638.60

Finding the Fourth Proportional to 1,398,211.40, 2,095,934.70 and 555,638.60

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Solution

The fourth proportional to 1,398,211.40, 2,095,934.70 and 555,638.60 is: 832,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,211.40 : 2,095,934.70 = 555,638.60 : x
  2. Step 2: Convert to fraction form
    1,398,211.40/2,095,934.70 = 555,638.60/x
  3. Step 3: Cross multiply
    1,398,211.40x = 2,095,934.70 × 555,638.60
  4. Step 4: Simplify right side
    1,398,211.40x = 1,164,582,222,399.42
  5. Step 5: Solve for x
    x = 1,164,582,222,399.42/1,398,211.40
  6. Step 6: Final answer
    x = 832,908.54

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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.