Home / 1,074,868.81-1,612,250.08-400,897.60

Finding the Fourth Proportional to 1,074,868.81, 1,612,250.08 and 400,897.60

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Solution

The fourth proportional to 1,074,868.81, 1,612,250.08 and 400,897.60 is: 601,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,868.81 : 1,612,250.08 = 400,897.60 : x
  2. Step 2: Convert to fraction form
    1,074,868.81/1,612,250.08 = 400,897.60/x
  3. Step 3: Cross multiply
    1,074,868.81x = 1,612,250.08 × 400,897.60
  4. Step 4: Simplify right side
    1,074,868.81x = 646,347,191,989.72
  5. Step 5: Solve for x
    x = 646,347,191,989.72/1,074,868.81
  6. Step 6: Final answer
    x = 601,326.59

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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.