Home / 1,476,940.76-2,215,428.72-411,918.02

Finding the Fourth Proportional to 1,476,940.76, 2,215,428.72 and 411,918.02

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Solution

The fourth proportional to 1,476,940.76, 2,215,428.72 and 411,918.02 is: 617,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,940.76 : 2,215,428.72 = 411,918.02 : x
  2. Step 2: Convert to fraction form
    1,476,940.76/2,215,428.72 = 411,918.02/x
  3. Step 3: Cross multiply
    1,476,940.76x = 2,215,428.72 × 411,918.02
  4. Step 4: Simplify right side
    1,476,940.76x = 912,575,011,793.54
  5. Step 5: Solve for x
    x = 912,575,011,793.54/1,476,940.76
  6. Step 6: Final answer
    x = 617,881.93

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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.