Home / 1,637,935.20-2,260,352.70-912,766.98

Finding the Fourth Proportional to 1,637,935.20, 2,260,352.70 and 912,766.98

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Solution

The fourth proportional to 1,637,935.20, 2,260,352.70 and 912,766.98 is: 1,259,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,935.20 : 2,260,352.70 = 912,766.98 : x
  2. Step 2: Convert to fraction form
    1,637,935.20/2,260,352.70 = 912,766.98/x
  3. Step 3: Cross multiply
    1,637,935.20x = 2,260,352.70 × 912,766.98
  4. Step 4: Simplify right side
    1,637,935.20x = 2,063,175,307,713.85
  5. Step 5: Solve for x
    x = 2,063,175,307,713.85/1,637,935.20
  6. Step 6: Final answer
    x = 1,259,619.62

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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.