Home / 1,543,579.56-2,130,215.76-931,722.60

Finding the Fourth Proportional to 1,543,579.56, 2,130,215.76 and 931,722.60

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Solution

The fourth proportional to 1,543,579.56, 2,130,215.76 and 931,722.60 is: 1,285,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,579.56 : 2,130,215.76 = 931,722.60 : x
  2. Step 2: Convert to fraction form
    1,543,579.56/2,130,215.76 = 931,722.60/x
  3. Step 3: Cross multiply
    1,543,579.56x = 2,130,215.76 × 931,722.60
  4. Step 4: Simplify right side
    1,543,579.56x = 1,984,770,166,468.18
  5. Step 5: Solve for x
    x = 1,984,770,166,468.18/1,543,579.56
  6. Step 6: Final answer
    x = 1,285,823.04

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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.