Home / 1,383,628.58-1,909,454.75-802,807.86

Finding the Fourth Proportional to 1,383,628.58, 1,909,454.75 and 802,807.86

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Solution

The fourth proportional to 1,383,628.58, 1,909,454.75 and 802,807.86 is: 1,107,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,628.58 : 1,909,454.75 = 802,807.86 : x
  2. Step 2: Convert to fraction form
    1,383,628.58/1,909,454.75 = 802,807.86/x
  3. Step 3: Cross multiply
    1,383,628.58x = 1,909,454.75 × 802,807.86
  4. Step 4: Simplify right side
    1,383,628.58x = 1,532,925,281,614.34
  5. Step 5: Solve for x
    x = 1,532,925,281,614.34/1,383,628.58
  6. Step 6: Final answer
    x = 1,107,902.30

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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.