Home / 1,090,220.60-1,635,330.90-617,828.60

Finding the Fourth Proportional to 1,090,220.60, 1,635,330.90 and 617,828.60

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Solution

The fourth proportional to 1,090,220.60, 1,635,330.90 and 617,828.60 is: 926,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,220.60 : 1,635,330.90 = 617,828.60 : x
  2. Step 2: Convert to fraction form
    1,090,220.60/1,635,330.90 = 617,828.60/x
  3. Step 3: Cross multiply
    1,090,220.60x = 1,635,330.90 × 617,828.60
  4. Step 4: Simplify right side
    1,090,220.60x = 1,010,354,200,483.74
  5. Step 5: Solve for x
    x = 1,010,354,200,483.74/1,090,220.60
  6. Step 6: Final answer
    x = 926,742.90

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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.