Home / 1,521,444.52-2,099,659.04-842,381

Finding the Fourth Proportional to 1,521,444.52, 2,099,659.04 and 842,381

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Solution

The fourth proportional to 1,521,444.52, 2,099,659.04 and 842,381 is: 1,162,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,444.52 : 2,099,659.04 = 842,381 : x
  2. Step 2: Convert to fraction form
    1,521,444.52/2,099,659.04 = 842,381/x
  3. Step 3: Cross multiply
    1,521,444.52x = 2,099,659.04 × 842,381
  4. Step 4: Simplify right side
    1,521,444.52x = 1,768,712,881,774.24
  5. Step 5: Solve for x
    x = 1,768,712,881,774.24/1,521,444.52
  6. Step 6: Final answer
    x = 1,162,522.10

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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.