Home / 1,875,988.72-2,813,293.82-644,647.46

Finding the Fourth Proportional to 1,875,988.72, 2,813,293.82 and 644,647.46

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Solution

The fourth proportional to 1,875,988.72, 2,813,293.82 and 644,647.46 is: 966,734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,988.72 : 2,813,293.82 = 644,647.46 : x
  2. Step 2: Convert to fraction form
    1,875,988.72/2,813,293.82 = 644,647.46/x
  3. Step 3: Cross multiply
    1,875,988.72x = 2,813,293.82 × 644,647.46
  4. Step 4: Simplify right side
    1,875,988.72x = 1,813,582,715,296.70
  5. Step 5: Solve for x
    x = 1,813,582,715,296.70/1,875,988.72
  6. Step 6: Final answer
    x = 966,734.34

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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.