Home / 1,328,730.20-1,992,900.90-382,002.20

Finding the Fourth Proportional to 1,328,730.20, 1,992,900.90 and 382,002.20

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Solution

The fourth proportional to 1,328,730.20, 1,992,900.90 and 382,002.20 is: 572,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,730.20 : 1,992,900.90 = 382,002.20 : x
  2. Step 2: Convert to fraction form
    1,328,730.20/1,992,900.90 = 382,002.20/x
  3. Step 3: Cross multiply
    1,328,730.20x = 1,992,900.90 × 382,002.20
  4. Step 4: Simplify right side
    1,328,730.20x = 761,292,528,181.98
  5. Step 5: Solve for x
    x = 761,292,528,181.98/1,328,730.20
  6. Step 6: Final answer
    x = 572,947.41

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1.5x scale

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.