Home / 1,575,178.20-2,361,212.10-775,805.40

Finding the Fourth Proportional to 1,575,178.20, 2,361,212.10 and 775,805.40

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Solution

The fourth proportional to 1,575,178.20, 2,361,212.10 and 775,805.40 is: 1,162,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,178.20 : 2,361,212.10 = 775,805.40 : x
  2. Step 2: Convert to fraction form
    1,575,178.20/2,361,212.10 = 775,805.40/x
  3. Step 3: Cross multiply
    1,575,178.20x = 2,361,212.10 × 775,805.40
  4. Step 4: Simplify right side
    1,575,178.20x = 1,831,841,097,725.34
  5. Step 5: Solve for x
    x = 1,831,841,097,725.34/1,575,178.20
  6. Step 6: Final answer
    x = 1,162,942.13

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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.