Home / 1,445,724.66-1,994,445.81-872,581.62

Finding the Fourth Proportional to 1,445,724.66, 1,994,445.81 and 872,581.62

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Solution

The fourth proportional to 1,445,724.66, 1,994,445.81 and 872,581.62 is: 1,203,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,724.66 : 1,994,445.81 = 872,581.62 : x
  2. Step 2: Convert to fraction form
    1,445,724.66/1,994,445.81 = 872,581.62/x
  3. Step 3: Cross multiply
    1,445,724.66x = 1,994,445.81 × 872,581.62
  4. Step 4: Simplify right side
    1,445,724.66x = 1,740,316,755,892.01
  5. Step 5: Solve for x
    x = 1,740,316,755,892.01/1,445,724.66
  6. Step 6: Final answer
    x = 1,203,767.77

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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.