Home / 1,173,445.12-1,759,883.16-320,520.76

Finding the Fourth Proportional to 1,173,445.12, 1,759,883.16 and 320,520.76

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Solution

The fourth proportional to 1,173,445.12, 1,759,883.16 and 320,520.76 is: 480,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,445.12 : 1,759,883.16 = 320,520.76 : x
  2. Step 2: Convert to fraction form
    1,173,445.12/1,759,883.16 = 320,520.76/x
  3. Step 3: Cross multiply
    1,173,445.12x = 1,759,883.16 × 320,520.76
  4. Step 4: Simplify right side
    1,173,445.12x = 564,079,087,954.40
  5. Step 5: Solve for x
    x = 564,079,087,954.40/1,173,445.12
  6. Step 6: Final answer
    x = 480,703.42

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1.5x scale

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.