Home / 1,526,814.40-2,290,221.60-529,643.20

Finding the Fourth Proportional to 1,526,814.40, 2,290,221.60 and 529,643.20

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Solution

The fourth proportional to 1,526,814.40, 2,290,221.60 and 529,643.20 is: 794,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,814.40 : 2,290,221.60 = 529,643.20 : x
  2. Step 2: Convert to fraction form
    1,526,814.40/2,290,221.60 = 529,643.20/x
  3. Step 3: Cross multiply
    1,526,814.40x = 2,290,221.60 × 529,643.20
  4. Step 4: Simplify right side
    1,526,814.40x = 1,213,000,296,933.12
  5. Step 5: Solve for x
    x = 1,213,000,296,933.12/1,526,814.40
  6. Step 6: Final answer
    x = 794,464.80

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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.