Home / 1,090,515.60-1,636,032.60-459,104.40

Finding the Fourth Proportional to 1,090,515.60, 1,636,032.60 and 459,104.40

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Solution

The fourth proportional to 1,090,515.60, 1,636,032.60 and 459,104.40 is: 688,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,515.60 : 1,636,032.60 = 459,104.40 : x
  2. Step 2: Convert to fraction form
    1,090,515.60/1,636,032.60 = 459,104.40/x
  3. Step 3: Cross multiply
    1,090,515.60x = 1,636,032.60 × 459,104.40
  4. Step 4: Simplify right side
    1,090,515.60x = 751,109,765,203.44
  5. Step 5: Solve for x
    x = 751,109,765,203.44/1,090,515.60
  6. Step 6: Final answer
    x = 688,765.72

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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.