Home / 1,145,655.08-1,581,054.05-636,357.46

Finding the Fourth Proportional to 1,145,655.08, 1,581,054.05 and 636,357.46

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Solution

The fourth proportional to 1,145,655.08, 1,581,054.05 and 636,357.46 is: 878,201.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,655.08 : 1,581,054.05 = 636,357.46 : x
  2. Step 2: Convert to fraction form
    1,145,655.08/1,581,054.05 = 636,357.46/x
  3. Step 3: Cross multiply
    1,145,655.08x = 1,581,054.05 × 636,357.46
  4. Step 4: Simplify right side
    1,145,655.08x = 1,006,115,531,475.44
  5. Step 5: Solve for x
    x = 1,006,115,531,475.44/1,145,655.08
  6. Step 6: Final answer
    x = 878,201.08

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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.