Home / 1,257,922.15-1,886,899.62-359,393.20

Finding the Fourth Proportional to 1,257,922.15, 1,886,899.62 and 359,393.20

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Solution

The fourth proportional to 1,257,922.15, 1,886,899.62 and 359,393.20 is: 539,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,922.15 : 1,886,899.62 = 359,393.20 : x
  2. Step 2: Convert to fraction form
    1,257,922.15/1,886,899.62 = 359,393.20/x
  3. Step 3: Cross multiply
    1,257,922.15x = 1,886,899.62 × 359,393.20
  4. Step 4: Simplify right side
    1,257,922.15x = 678,138,887,793.34
  5. Step 5: Solve for x
    x = 678,138,887,793.34/1,257,922.15
  6. Step 6: Final answer
    x = 539,094.48

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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.