Home / 986,659.72-1,478,743.50-822,430.60

Finding the Fourth Proportional to 986,659.72, 1,478,743.50 and 822,430.60

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Solution

The fourth proportional to 986,659.72, 1,478,743.50 and 822,430.60 is: 1,232,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,659.72 : 1,478,743.50 = 822,430.60 : x
  2. Step 2: Convert to fraction form
    986,659.72/1,478,743.50 = 822,430.60/x
  3. Step 3: Cross multiply
    986,659.72x = 1,478,743.50 × 822,430.60
  4. Step 4: Simplify right side
    986,659.72x = 1,216,163,903,951.10
  5. Step 5: Solve for x
    x = 1,216,163,903,951.10/986,659.72
  6. Step 6: Final answer
    x = 1,232,607.23

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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.