Home / 1,170,129.60-1,755,064.80-328,766.40

Finding the Fourth Proportional to 1,170,129.60, 1,755,064.80 and 328,766.40

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Solution

The fourth proportional to 1,170,129.60, 1,755,064.80 and 328,766.40 is: 493,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,129.60 : 1,755,064.80 = 328,766.40 : x
  2. Step 2: Convert to fraction form
    1,170,129.60/1,755,064.80 = 328,766.40/x
  3. Step 3: Cross multiply
    1,170,129.60x = 1,755,064.80 × 328,766.40
  4. Step 4: Simplify right side
    1,170,129.60x = 577,006,336,062.72
  5. Step 5: Solve for x
    x = 577,006,336,062.72/1,170,129.60
  6. Step 6: Final answer
    x = 493,113.19

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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.