Home / 1,159,244.20-1,738,779.90-485,151.40

Finding the Fourth Proportional to 1,159,244.20, 1,738,779.90 and 485,151.40

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Solution

The fourth proportional to 1,159,244.20, 1,738,779.90 and 485,151.40 is: 727,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,244.20 : 1,738,779.90 = 485,151.40 : x
  2. Step 2: Convert to fraction form
    1,159,244.20/1,738,779.90 = 485,151.40/x
  3. Step 3: Cross multiply
    1,159,244.20x = 1,738,779.90 × 485,151.40
  4. Step 4: Simplify right side
    1,159,244.20x = 843,571,502,776.86
  5. Step 5: Solve for x
    x = 843,571,502,776.86/1,159,244.20
  6. Step 6: Final answer
    x = 727,690.94

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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.