Home / 1,186,148.20-1,779,452.70-512,228.20

Finding the Fourth Proportional to 1,186,148.20, 1,779,452.70 and 512,228.20

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Solution

The fourth proportional to 1,186,148.20, 1,779,452.70 and 512,228.20 is: 768,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,148.20 : 1,779,452.70 = 512,228.20 : x
  2. Step 2: Convert to fraction form
    1,186,148.20/1,779,452.70 = 512,228.20/x
  3. Step 3: Cross multiply
    1,186,148.20x = 1,779,452.70 × 512,228.20
  4. Step 4: Simplify right side
    1,186,148.20x = 911,485,853,506.14
  5. Step 5: Solve for x
    x = 911,485,853,506.14/1,186,148.20
  6. Step 6: Final answer
    x = 768,441.80

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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.