Home / 1,102,539.52-1,521,639.12-619,125.04

Finding the Fourth Proportional to 1,102,539.52, 1,521,639.12 and 619,125.04

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Solution

The fourth proportional to 1,102,539.52, 1,521,639.12 and 619,125.04 is: 854,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,539.52 : 1,521,639.12 = 619,125.04 : x
  2. Step 2: Convert to fraction form
    1,102,539.52/1,521,639.12 = 619,125.04/x
  3. Step 3: Cross multiply
    1,102,539.52x = 1,521,639.12 × 619,125.04
  4. Step 4: Simplify right side
    1,102,539.52x = 942,084,881,035.57
  5. Step 5: Solve for x
    x = 942,084,881,035.57/1,102,539.52
  6. Step 6: Final answer
    x = 854,468.13

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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.