Home / 1,087,232.80-1,630,071.60-487,703.20

Finding the Fourth Proportional to 1,087,232.80, 1,630,071.60 and 487,703.20

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Solution

The fourth proportional to 1,087,232.80, 1,630,071.60 and 487,703.20 is: 731,205.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,232.80 : 1,630,071.60 = 487,703.20 : x
  2. Step 2: Convert to fraction form
    1,087,232.80/1,630,071.60 = 487,703.20/x
  3. Step 3: Cross multiply
    1,087,232.80x = 1,630,071.60 × 487,703.20
  4. Step 4: Simplify right side
    1,087,232.80x = 794,991,135,549.12
  5. Step 5: Solve for x
    x = 794,991,135,549.12/1,087,232.80
  6. Step 6: Final answer
    x = 731,205.99

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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.