Home / 1,510,539.48-2,084,599.49-822,178.07

Finding the Fourth Proportional to 1,510,539.48, 2,084,599.49 and 822,178.07

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Solution

The fourth proportional to 1,510,539.48, 2,084,599.49 and 822,178.07 is: 1,134,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,539.48 : 2,084,599.49 = 822,178.07 : x
  2. Step 2: Convert to fraction form
    1,510,539.48/2,084,599.49 = 822,178.07/x
  3. Step 3: Cross multiply
    1,510,539.48x = 2,084,599.49 × 822,178.07
  4. Step 4: Simplify right side
    1,510,539.48x = 1,713,911,970,877.30
  5. Step 5: Solve for x
    x = 1,713,911,970,877.30/1,510,539.48
  6. Step 6: Final answer
    x = 1,134,635.67

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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.