Home / 1,220,117.04-1,829,950.76-509,954.48

Finding the Fourth Proportional to 1,220,117.04, 1,829,950.76 and 509,954.48

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Solution

The fourth proportional to 1,220,117.04, 1,829,950.76 and 509,954.48 is: 764,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,117.04 : 1,829,950.76 = 509,954.48 : x
  2. Step 2: Convert to fraction form
    1,220,117.04/1,829,950.76 = 509,954.48/x
  3. Step 3: Cross multiply
    1,220,117.04x = 1,829,950.76 × 509,954.48
  4. Step 4: Simplify right side
    1,220,117.04x = 933,191,588,241.41
  5. Step 5: Solve for x
    x = 933,191,588,241.41/1,220,117.04
  6. Step 6: Final answer
    x = 764,837.76

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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.