Home / 1,145,998.22-1,581,526.74-636,700.60

Finding the Fourth Proportional to 1,145,998.22, 1,581,526.74 and 636,700.60

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Solution

The fourth proportional to 1,145,998.22, 1,581,526.74 and 636,700.60 is: 878,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,998.22 : 1,581,526.74 = 636,700.60 : x
  2. Step 2: Convert to fraction form
    1,145,998.22/1,581,526.74 = 636,700.60/x
  3. Step 3: Cross multiply
    1,145,998.22x = 1,581,526.74 × 636,700.60
  4. Step 4: Simplify right side
    1,145,998.22x = 1,006,959,024,274.04
  5. Step 5: Solve for x
    x = 1,006,959,024,274.04/1,145,998.22
  6. Step 6: Final answer
    x = 878,674.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.