Home / 1,051,561.30-1,575,841.80-810,764.50

Finding the Fourth Proportional to 1,051,561.30, 1,575,841.80 and 810,764.50

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Solution

The fourth proportional to 1,051,561.30, 1,575,841.80 and 810,764.50 is: 1,214,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,561.30 : 1,575,841.80 = 810,764.50 : x
  2. Step 2: Convert to fraction form
    1,051,561.30/1,575,841.80 = 810,764.50/x
  3. Step 3: Cross multiply
    1,051,561.30x = 1,575,841.80 × 810,764.50
  4. Step 4: Simplify right side
    1,051,561.30x = 1,277,636,589,056.10
  5. Step 5: Solve for x
    x = 1,277,636,589,056.10/1,051,561.30
  6. Step 6: Final answer
    x = 1,214,990.12

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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.