Home / 680,526.96-1,020,790.44-181,878

Finding the Fourth Proportional to 680,526.96, 1,020,790.44 and 181,878

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Solution

The fourth proportional to 680,526.96, 1,020,790.44 and 181,878 is: 272,817

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,526.96 : 1,020,790.44 = 181,878 : x
  2. Step 2: Convert to fraction form
    680,526.96/1,020,790.44 = 181,878/x
  3. Step 3: Cross multiply
    680,526.96x = 1,020,790.44 × 181,878
  4. Step 4: Simplify right side
    680,526.96x = 185,659,323,646.32
  5. Step 5: Solve for x
    x = 185,659,323,646.32/680,526.96
  6. Step 6: Final answer
    x = 272,817

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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.