Home / 1,526,509.55-2,290,028.25-515,638.86

Finding the Fourth Proportional to 1,526,509.55, 2,290,028.25 and 515,638.86

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Solution

The fourth proportional to 1,526,509.55, 2,290,028.25 and 515,638.86 is: 773,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,509.55 : 2,290,028.25 = 515,638.86 : x
  2. Step 2: Convert to fraction form
    1,526,509.55/2,290,028.25 = 515,638.86/x
  3. Step 3: Cross multiply
    1,526,509.55x = 2,290,028.25 × 515,638.86
  4. Step 4: Simplify right side
    1,526,509.55x = 1,180,827,556,197.80
  5. Step 5: Solve for x
    x = 1,180,827,556,197.80/1,526,509.55
  6. Step 6: Final answer
    x = 773,547.44

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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.