Home / 1,351,342.32-1,864,725.45-914,871.80

Finding the Fourth Proportional to 1,351,342.32, 1,864,725.45 and 914,871.80

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Solution

The fourth proportional to 1,351,342.32, 1,864,725.45 and 914,871.80 is: 1,262,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,342.32 : 1,864,725.45 = 914,871.80 : x
  2. Step 2: Convert to fraction form
    1,351,342.32/1,864,725.45 = 914,871.80/x
  3. Step 3: Cross multiply
    1,351,342.32x = 1,864,725.45 × 914,871.80
  4. Step 4: Simplify right side
    1,351,342.32x = 1,705,984,719,623.68
  5. Step 5: Solve for x
    x = 1,705,984,719,623.68/1,351,342.32
  6. Step 6: Final answer
    x = 1,262,437.13

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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.