Home / 1,151,483.34-1,728,721.75-885,430.70

Finding the Fourth Proportional to 1,151,483.34, 1,728,721.75 and 885,430.70

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Solution

The fourth proportional to 1,151,483.34, 1,728,721.75 and 885,430.70 is: 1,329,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,483.34 : 1,728,721.75 = 885,430.70 : x
  2. Step 2: Convert to fraction form
    1,151,483.34/1,728,721.75 = 885,430.70/x
  3. Step 3: Cross multiply
    1,151,483.34x = 1,728,721.75 × 885,430.70
  4. Step 4: Simplify right side
    1,151,483.34x = 1,530,663,302,672.34
  5. Step 5: Solve for x
    x = 1,530,663,302,672.34/1,151,483.34
  6. Step 6: Final answer
    x = 1,329,296.96

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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.