Home / 1,528,466.72-2,109,116.36-883,789.28

Finding the Fourth Proportional to 1,528,466.72, 2,109,116.36 and 883,789.28

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Solution

The fourth proportional to 1,528,466.72, 2,109,116.36 and 883,789.28 is: 1,219,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,466.72 : 2,109,116.36 = 883,789.28 : x
  2. Step 2: Convert to fraction form
    1,528,466.72/2,109,116.36 = 883,789.28/x
  3. Step 3: Cross multiply
    1,528,466.72x = 2,109,116.36 × 883,789.28
  4. Step 4: Simplify right side
    1,528,466.72x = 1,864,014,429,240.62
  5. Step 5: Solve for x
    x = 1,864,014,429,240.62/1,528,466.72
  6. Step 6: Final answer
    x = 1,219,532.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.