Home / 1,708,830.10-2,564,229.30-644,635.90

Finding the Fourth Proportional to 1,708,830.10, 2,564,229.30 and 644,635.90

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Solution

The fourth proportional to 1,708,830.10, 2,564,229.30 and 644,635.90 is: 967,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,830.10 : 2,564,229.30 = 644,635.90 : x
  2. Step 2: Convert to fraction form
    1,708,830.10/2,564,229.30 = 644,635.90/x
  3. Step 3: Cross multiply
    1,708,830.10x = 2,564,229.30 × 644,635.90
  4. Step 4: Simplify right side
    1,708,830.10x = 1,652,994,262,611.87
  5. Step 5: Solve for x
    x = 1,652,994,262,611.87/1,708,830.10
  6. Step 6: Final answer
    x = 967,325.11

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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.