Home / 1,178,110-1,767,165-291,646

Finding the Fourth Proportional to 1,178,110, 1,767,165 and 291,646

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Solution

The fourth proportional to 1,178,110, 1,767,165 and 291,646 is: 437,469

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,110 : 1,767,165 = 291,646 : x
  2. Step 2: Convert to fraction form
    1,178,110/1,767,165 = 291,646/x
  3. Step 3: Cross multiply
    1,178,110x = 1,767,165 × 291,646
  4. Step 4: Simplify right side
    1,178,110x = 515,386,603,590
  5. Step 5: Solve for x
    x = 515,386,603,590/1,178,110
  6. Step 6: Final answer
    x = 437,469

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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.