Home / 1,374,173.52-1,896,378.12-1,029,398.64

Finding the Fourth Proportional to 1,374,173.52, 1,896,378.12 and 1,029,398.64

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Solution

The fourth proportional to 1,374,173.52, 1,896,378.12 and 1,029,398.64 is: 1,420,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,173.52 : 1,896,378.12 = 1,029,398.64 : x
  2. Step 2: Convert to fraction form
    1,374,173.52/1,896,378.12 = 1,029,398.64/x
  3. Step 3: Cross multiply
    1,374,173.52x = 1,896,378.12 × 1,029,398.64
  4. Step 4: Simplify right side
    1,374,173.52x = 1,952,129,057,653.76
  5. Step 5: Solve for x
    x = 1,952,129,057,653.76/1,374,173.52
  6. Step 6: Final answer
    x = 1,420,584.10

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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.