Home / 1,086,885.12-1,630,333.08-637,289.76

Finding the Fourth Proportional to 1,086,885.12, 1,630,333.08 and 637,289.76

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Solution

The fourth proportional to 1,086,885.12, 1,630,333.08 and 637,289.76 is: 955,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,885.12 : 1,630,333.08 = 637,289.76 : x
  2. Step 2: Convert to fraction form
    1,086,885.12/1,630,333.08 = 637,289.76/x
  3. Step 3: Cross multiply
    1,086,885.12x = 1,630,333.08 × 637,289.76
  4. Step 4: Simplify right side
    1,086,885.12x = 1,038,994,577,273.26
  5. Step 5: Solve for x
    x = 1,038,994,577,273.26/1,086,885.12
  6. Step 6: Final answer
    x = 955,937.81

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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.