Home / 1,163,494.72-1,604,298.90-819,220.60

Finding the Fourth Proportional to 1,163,494.72, 1,604,298.90 and 819,220.60

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Solution

The fourth proportional to 1,163,494.72, 1,604,298.90 and 819,220.60 is: 1,129,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,494.72 : 1,604,298.90 = 819,220.60 : x
  2. Step 2: Convert to fraction form
    1,163,494.72/1,604,298.90 = 819,220.60/x
  3. Step 3: Cross multiply
    1,163,494.72x = 1,604,298.90 × 819,220.60
  4. Step 4: Simplify right side
    1,163,494.72x = 1,314,274,707,437.34
  5. Step 5: Solve for x
    x = 1,314,274,707,437.34/1,163,494.72
  6. Step 6: Final answer
    x = 1,129,592.33

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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.