Home / 1,152,362.25-1,590,347.96-636,215.56

Finding the Fourth Proportional to 1,152,362.25, 1,590,347.96 and 636,215.56

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Solution

The fourth proportional to 1,152,362.25, 1,590,347.96 and 636,215.56 is: 878,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,362.25 : 1,590,347.96 = 636,215.56 : x
  2. Step 2: Convert to fraction form
    1,152,362.25/1,590,347.96 = 636,215.56/x
  3. Step 3: Cross multiply
    1,152,362.25x = 1,590,347.96 × 636,215.56
  4. Step 4: Simplify right side
    1,152,362.25x = 1,011,804,110,734.90
  5. Step 5: Solve for x
    x = 1,011,804,110,734.90/1,152,362.25
  6. Step 6: Final answer
    x = 878,026.08

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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.