Home / 1,476,912-2,215,581.84-465,690.72

Finding the Fourth Proportional to 1,476,912, 2,215,581.84 and 465,690.72

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Solution

The fourth proportional to 1,476,912, 2,215,581.84 and 465,690.72 is: 698,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,912 : 2,215,581.84 = 465,690.72 : x
  2. Step 2: Convert to fraction form
    1,476,912/2,215,581.84 = 465,690.72/x
  3. Step 3: Cross multiply
    1,476,912x = 2,215,581.84 × 465,690.72
  4. Step 4: Simplify right side
    1,476,912x = 1,031,775,902,288.52
  5. Step 5: Solve for x
    x = 1,031,775,902,288.52/1,476,912
  6. Step 6: Final answer
    x = 698,603.51

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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.