Home / 1,170,027.20-1,755,040.80-460,078.40

Finding the Fourth Proportional to 1,170,027.20, 1,755,040.80 and 460,078.40

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Solution

The fourth proportional to 1,170,027.20, 1,755,040.80 and 460,078.40 is: 690,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,027.20 : 1,755,040.80 = 460,078.40 : x
  2. Step 2: Convert to fraction form
    1,170,027.20/1,755,040.80 = 460,078.40/x
  3. Step 3: Cross multiply
    1,170,027.20x = 1,755,040.80 × 460,078.40
  4. Step 4: Simplify right side
    1,170,027.20x = 807,456,363,198.72
  5. Step 5: Solve for x
    x = 807,456,363,198.72/1,170,027.20
  6. Step 6: Final answer
    x = 690,117.60

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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.