Home / 1,064,302.20-1,597,619.70-665,393.40

Finding the Fourth Proportional to 1,064,302.20, 1,597,619.70 and 665,393.40

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Solution

The fourth proportional to 1,064,302.20, 1,597,619.70 and 665,393.40 is: 998,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,302.20 : 1,597,619.70 = 665,393.40 : x
  2. Step 2: Convert to fraction form
    1,064,302.20/1,597,619.70 = 665,393.40/x
  3. Step 3: Cross multiply
    1,064,302.20x = 1,597,619.70 × 665,393.40
  4. Step 4: Simplify right side
    1,064,302.20x = 1,063,045,604,089.98
  5. Step 5: Solve for x
    x = 1,063,045,604,089.98/1,064,302.20
  6. Step 6: Final answer
    x = 998,819.32

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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.