Home / 1,054,671.78-1,581,684.48-380,670.78

Finding the Fourth Proportional to 1,054,671.78, 1,581,684.48 and 380,670.78

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Solution

The fourth proportional to 1,054,671.78, 1,581,684.48 and 380,670.78 is: 570,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,671.78 : 1,581,684.48 = 380,670.78 : x
  2. Step 2: Convert to fraction form
    1,054,671.78/1,581,684.48 = 380,670.78/x
  3. Step 3: Cross multiply
    1,054,671.78x = 1,581,684.48 × 380,670.78
  4. Step 4: Simplify right side
    1,054,671.78x = 602,101,064,715.49
  5. Step 5: Solve for x
    x = 602,101,064,715.49/1,054,671.78
  6. Step 6: Final answer
    x = 570,889.52

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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.