Home / 1,681,460.06-2,320,470.90-917,555.54

Finding the Fourth Proportional to 1,681,460.06, 2,320,470.90 and 917,555.54

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Solution

The fourth proportional to 1,681,460.06, 2,320,470.90 and 917,555.54 is: 1,266,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,460.06 : 2,320,470.90 = 917,555.54 : x
  2. Step 2: Convert to fraction form
    1,681,460.06/2,320,470.90 = 917,555.54/x
  3. Step 3: Cross multiply
    1,681,460.06x = 2,320,470.90 × 917,555.54
  4. Step 4: Simplify right side
    1,681,460.06x = 2,129,160,929,703.79
  5. Step 5: Solve for x
    x = 2,129,160,929,703.79/1,681,460.06
  6. Step 6: Final answer
    x = 1,266,257.21

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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.