Home / 1,425,212.52-1,966,304.57-812,924.61

Finding the Fourth Proportional to 1,425,212.52, 1,966,304.57 and 812,924.61

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Solution

The fourth proportional to 1,425,212.52, 1,966,304.57 and 812,924.61 is: 1,121,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,212.52 : 1,966,304.57 = 812,924.61 : x
  2. Step 2: Convert to fraction form
    1,425,212.52/1,966,304.57 = 812,924.61/x
  3. Step 3: Cross multiply
    1,425,212.52x = 1,966,304.57 × 812,924.61
  4. Step 4: Simplify right side
    1,425,212.52x = 1,598,457,371,643.84
  5. Step 5: Solve for x
    x = 1,598,457,371,643.84/1,425,212.52
  6. Step 6: Final answer
    x = 1,121,557.21

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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.