Home / 1,020,790.44-1,531,185.66-272,817

Finding the Fourth Proportional to 1,020,790.44, 1,531,185.66 and 272,817

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Solution

The fourth proportional to 1,020,790.44, 1,531,185.66 and 272,817 is: 409,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,790.44 : 1,531,185.66 = 272,817 : x
  2. Step 2: Convert to fraction form
    1,020,790.44/1,531,185.66 = 272,817/x
  3. Step 3: Cross multiply
    1,020,790.44x = 1,531,185.66 × 272,817
  4. Step 4: Simplify right side
    1,020,790.44x = 417,733,478,204.22
  5. Step 5: Solve for x
    x = 417,733,478,204.22/1,020,790.44
  6. Step 6: Final answer
    x = 409,225.50

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Similar ratio
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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.