Home / 1,228,664.68-1,843,827.40-429,953.16

Finding the Fourth Proportional to 1,228,664.68, 1,843,827.40 and 429,953.16

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Solution

The fourth proportional to 1,228,664.68, 1,843,827.40 and 429,953.16 is: 645,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,664.68 : 1,843,827.40 = 429,953.16 : x
  2. Step 2: Convert to fraction form
    1,228,664.68/1,843,827.40 = 429,953.16/x
  3. Step 3: Cross multiply
    1,228,664.68x = 1,843,827.40 × 429,953.16
  4. Step 4: Simplify right side
    1,228,664.68x = 792,759,417,124.58
  5. Step 5: Solve for x
    x = 792,759,417,124.58/1,228,664.68
  6. Step 6: Final answer
    x = 645,220.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.