Home / 1,077,491.38-1,616,245.16-478,291.45

Finding the Fourth Proportional to 1,077,491.38, 1,616,245.16 and 478,291.45

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Solution

The fourth proportional to 1,077,491.38, 1,616,245.16 and 478,291.45 is: 717,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,491.38 : 1,616,245.16 = 478,291.45 : x
  2. Step 2: Convert to fraction form
    1,077,491.38/1,616,245.16 = 478,291.45/x
  3. Step 3: Cross multiply
    1,077,491.38x = 1,616,245.16 × 478,291.45
  4. Step 4: Simplify right side
    1,077,491.38x = 773,036,241,131.88
  5. Step 5: Solve for x
    x = 773,036,241,131.88/1,077,491.38
  6. Step 6: Final answer
    x = 717,440.77

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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.