Home / 1,383,585.15-1,909,265.25-802,763.28

Finding the Fourth Proportional to 1,383,585.15, 1,909,265.25 and 802,763.28

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Solution

The fourth proportional to 1,383,585.15, 1,909,265.25 and 802,763.28 is: 1,107,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,585.15 : 1,909,265.25 = 802,763.28 : x
  2. Step 2: Convert to fraction form
    1,383,585.15/1,909,265.25 = 802,763.28/x
  3. Step 3: Cross multiply
    1,383,585.15x = 1,909,265.25 × 802,763.28
  4. Step 4: Simplify right side
    1,383,585.15x = 1,532,688,034,480.02
  5. Step 5: Solve for x
    x = 1,532,688,034,480.02/1,383,585.15
  6. Step 6: Final answer
    x = 1,107,765.60

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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.