Home / 1,580,054.36-2,180,459.49-854,886.16

Finding the Fourth Proportional to 1,580,054.36, 2,180,459.49 and 854,886.16

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Solution

The fourth proportional to 1,580,054.36, 2,180,459.49 and 854,886.16 is: 1,179,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,054.36 : 2,180,459.49 = 854,886.16 : x
  2. Step 2: Convert to fraction form
    1,580,054.36/2,180,459.49 = 854,886.16/x
  3. Step 3: Cross multiply
    1,580,054.36x = 2,180,459.49 × 854,886.16
  4. Step 4: Simplify right side
    1,580,054.36x = 1,864,044,639,961.41
  5. Step 5: Solve for x
    x = 1,864,044,639,961.41/1,580,054.36
  6. Step 6: Final answer
    x = 1,179,734.50

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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.