Home / 1,394,725.37-1,924,477.74-782,903.90

Finding the Fourth Proportional to 1,394,725.37, 1,924,477.74 and 782,903.90

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Solution

The fourth proportional to 1,394,725.37, 1,924,477.74 and 782,903.90 is: 1,080,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,725.37 : 1,924,477.74 = 782,903.90 : x
  2. Step 2: Convert to fraction form
    1,394,725.37/1,924,477.74 = 782,903.90/x
  3. Step 3: Cross multiply
    1,394,725.37x = 1,924,477.74 × 782,903.90
  4. Step 4: Simplify right side
    1,394,725.37x = 1,506,681,132,920.38
  5. Step 5: Solve for x
    x = 1,506,681,132,920.38/1,394,725.37
  6. Step 6: Final answer
    x = 1,080,270.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.