Home / 1,377,517-2,066,321.64-478,966.52

Finding the Fourth Proportional to 1,377,517, 2,066,321.64 and 478,966.52

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Solution

The fourth proportional to 1,377,517, 2,066,321.64 and 478,966.52 is: 718,465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,517 : 2,066,321.64 = 478,966.52 : x
  2. Step 2: Convert to fraction form
    1,377,517/2,066,321.64 = 478,966.52/x
  3. Step 3: Cross multiply
    1,377,517x = 2,066,321.64 × 478,966.52
  4. Step 4: Simplify right side
    1,377,517x = 989,698,885,111.49
  5. Step 5: Solve for x
    x = 989,698,885,111.49/1,377,517
  6. Step 6: Final answer
    x = 718,465.82

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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.