Home / 1,210,182.60-1,815,857.10-854,430.60

Finding the Fourth Proportional to 1,210,182.60, 1,815,857.10 and 854,430.60

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Solution

The fourth proportional to 1,210,182.60, 1,815,857.10 and 854,430.60 is: 1,282,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,182.60 : 1,815,857.10 = 854,430.60 : x
  2. Step 2: Convert to fraction form
    1,210,182.60/1,815,857.10 = 854,430.60/x
  3. Step 3: Cross multiply
    1,210,182.60x = 1,815,857.10 × 854,430.60
  4. Step 4: Simplify right side
    1,210,182.60x = 1,551,523,871,467.26
  5. Step 5: Solve for x
    x = 1,551,523,871,467.26/1,210,182.60
  6. Step 6: Final answer
    x = 1,282,057.66

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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.