Home / 1,134,600.30-1,699,567.65-780,014.70

Finding the Fourth Proportional to 1,134,600.30, 1,699,567.65 and 780,014.70

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Solution

The fourth proportional to 1,134,600.30, 1,699,567.65 and 780,014.70 is: 1,168,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,600.30 : 1,699,567.65 = 780,014.70 : x
  2. Step 2: Convert to fraction form
    1,134,600.30/1,699,567.65 = 780,014.70/x
  3. Step 3: Cross multiply
    1,134,600.30x = 1,699,567.65 × 780,014.70
  4. Step 4: Simplify right side
    1,134,600.30x = 1,325,687,750,644.45
  5. Step 5: Solve for x
    x = 1,325,687,750,644.45/1,134,600.30
  6. Step 6: Final answer
    x = 1,168,418.30

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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.