Home / 1,064,555.70-1,597,999.95-665,646.90

Finding the Fourth Proportional to 1,064,555.70, 1,597,999.95 and 665,646.90

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Solution

The fourth proportional to 1,064,555.70, 1,597,999.95 and 665,646.90 is: 999,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,555.70 : 1,597,999.95 = 665,646.90 : x
  2. Step 2: Convert to fraction form
    1,064,555.70/1,597,999.95 = 665,646.90/x
  3. Step 3: Cross multiply
    1,064,555.70x = 1,597,999.95 × 665,646.90
  4. Step 4: Simplify right side
    1,064,555.70x = 1,063,703,712,917.66
  5. Step 5: Solve for x
    x = 1,063,703,712,917.66/1,064,555.70
  6. Step 6: Final answer
    x = 999,199.68

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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.