Home / 1,510,539.98-2,084,600.18-822,178.57

Finding the Fourth Proportional to 1,510,539.98, 2,084,600.18 and 822,178.57

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Solution

The fourth proportional to 1,510,539.98, 2,084,600.18 and 822,178.57 is: 1,134,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,539.98 : 2,084,600.18 = 822,178.57 : x
  2. Step 2: Convert to fraction form
    1,510,539.98/2,084,600.18 = 822,178.57/x
  3. Step 3: Cross multiply
    1,510,539.98x = 2,084,600.18 × 822,178.57
  4. Step 4: Simplify right side
    1,510,539.98x = 1,713,913,580,480.25
  5. Step 5: Solve for x
    x = 1,713,913,580,480.25/1,510,539.98
  6. Step 6: Final answer
    x = 1,134,636.36

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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.