Home / 940,493.60-1,411,345.20-520,071.20

Finding the Fourth Proportional to 940,493.60, 1,411,345.20 and 520,071.20

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Solution

The fourth proportional to 940,493.60, 1,411,345.20 and 520,071.20 is: 780,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,493.60 : 1,411,345.20 = 520,071.20 : x
  2. Step 2: Convert to fraction form
    940,493.60/1,411,345.20 = 520,071.20/x
  3. Step 3: Cross multiply
    940,493.60x = 1,411,345.20 × 520,071.20
  4. Step 4: Simplify right side
    940,493.60x = 733,999,991,778.24
  5. Step 5: Solve for x
    x = 733,999,991,778.24/940,493.60
  6. Step 6: Final answer
    x = 780,441.24

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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.