Home / 1,494,985.60-2,242,400.03-429,985.86

Finding the Fourth Proportional to 1,494,985.60, 2,242,400.03 and 429,985.86

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Solution

The fourth proportional to 1,494,985.60, 2,242,400.03 and 429,985.86 is: 644,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,985.60 : 2,242,400.03 = 429,985.86 : x
  2. Step 2: Convert to fraction form
    1,494,985.60/2,242,400.03 = 429,985.86/x
  3. Step 3: Cross multiply
    1,494,985.60x = 2,242,400.03 × 429,985.86
  4. Step 4: Simplify right side
    1,494,985.60x = 964,200,305,363.58
  5. Step 5: Solve for x
    x = 964,200,305,363.58/1,494,985.60
  6. Step 6: Final answer
    x = 644,956.25

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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.