Home / 1,192,273.60-1,645,356.90-648,420.16

Finding the Fourth Proportional to 1,192,273.60, 1,645,356.90 and 648,420.16

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Solution

The fourth proportional to 1,192,273.60, 1,645,356.90 and 648,420.16 is: 894,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,273.60 : 1,645,356.90 = 648,420.16 : x
  2. Step 2: Convert to fraction form
    1,192,273.60/1,645,356.90 = 648,420.16/x
  3. Step 3: Cross multiply
    1,192,273.60x = 1,645,356.90 × 648,420.16
  4. Step 4: Simplify right side
    1,192,273.60x = 1,066,882,584,355.10
  5. Step 5: Solve for x
    x = 1,066,882,584,355.10/1,192,273.60
  6. Step 6: Final answer
    x = 894,830.33

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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.