Home / 1,377,971.60-2,066,823.76-418,435.52

Finding the Fourth Proportional to 1,377,971.60, 2,066,823.76 and 418,435.52

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Solution

The fourth proportional to 1,377,971.60, 2,066,823.76 and 418,435.52 is: 627,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,971.60 : 2,066,823.76 = 418,435.52 : x
  2. Step 2: Convert to fraction form
    1,377,971.60/2,066,823.76 = 418,435.52/x
  3. Step 3: Cross multiply
    1,377,971.60x = 2,066,823.76 × 418,435.52
  4. Step 4: Simplify right side
    1,377,971.60x = 864,832,474,763.96
  5. Step 5: Solve for x
    x = 864,832,474,763.96/1,377,971.60
  6. Step 6: Final answer
    x = 627,612.70

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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.