Home / 1,087,188.80-1,630,005.60-487,659.20

Finding the Fourth Proportional to 1,087,188.80, 1,630,005.60 and 487,659.20

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Solution

The fourth proportional to 1,087,188.80, 1,630,005.60 and 487,659.20 is: 731,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,188.80 : 1,630,005.60 = 487,659.20 : x
  2. Step 2: Convert to fraction form
    1,087,188.80/1,630,005.60 = 487,659.20/x
  3. Step 3: Cross multiply
    1,087,188.80x = 1,630,005.60 × 487,659.20
  4. Step 4: Simplify right side
    1,087,188.80x = 794,887,226,891.52
  5. Step 5: Solve for x
    x = 794,887,226,891.52/1,087,188.80
  6. Step 6: Final answer
    x = 731,140.01

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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.