Home / 1,424,533.28-1,965,856.20-779,995.04

Finding the Fourth Proportional to 1,424,533.28, 1,965,856.20 and 779,995.04

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Solution

The fourth proportional to 1,424,533.28, 1,965,856.20 and 779,995.04 is: 1,076,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,533.28 : 1,965,856.20 = 779,995.04 : x
  2. Step 2: Convert to fraction form
    1,424,533.28/1,965,856.20 = 779,995.04/x
  3. Step 3: Cross multiply
    1,424,533.28x = 1,965,856.20 × 779,995.04
  4. Step 4: Simplify right side
    1,424,533.28x = 1,533,358,085,353.25
  5. Step 5: Solve for x
    x = 1,533,358,085,353.25/1,424,533.28
  6. Step 6: Final answer
    x = 1,076,393.31

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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.