Home / 1,157,520.95-1,597,445.30-648,218.87

Finding the Fourth Proportional to 1,157,520.95, 1,597,445.30 and 648,218.87

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Solution

The fourth proportional to 1,157,520.95, 1,597,445.30 and 648,218.87 is: 894,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,520.95 : 1,597,445.30 = 648,218.87 : x
  2. Step 2: Convert to fraction form
    1,157,520.95/1,597,445.30 = 648,218.87/x
  3. Step 3: Cross multiply
    1,157,520.95x = 1,597,445.30 × 648,218.87
  4. Step 4: Simplify right side
    1,157,520.95x = 1,035,494,188,005.33
  5. Step 5: Solve for x
    x = 1,035,494,188,005.33/1,157,520.95
  6. Step 6: Final answer
    x = 894,579.22

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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.