Home / 1,383,582.90-1,909,262.16-802,761.05

Finding the Fourth Proportional to 1,383,582.90, 1,909,262.16 and 802,761.05

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Solution

The fourth proportional to 1,383,582.90, 1,909,262.16 and 802,761.05 is: 1,107,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,582.90 : 1,909,262.16 = 802,761.05 : x
  2. Step 2: Convert to fraction form
    1,383,582.90/1,909,262.16 = 802,761.05/x
  3. Step 3: Cross multiply
    1,383,582.90x = 1,909,262.16 × 802,761.05
  4. Step 4: Simplify right side
    1,383,582.90x = 1,532,681,286,740.56
  5. Step 5: Solve for x
    x = 1,532,681,286,740.56/1,383,582.90
  6. Step 6: Final answer
    x = 1,107,762.52

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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.