Home / 1,259,123.46-1,888,955.04-406,243.68

Finding the Fourth Proportional to 1,259,123.46, 1,888,955.04 and 406,243.68

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Solution

The fourth proportional to 1,259,123.46, 1,888,955.04 and 406,243.68 is: 609,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,123.46 : 1,888,955.04 = 406,243.68 : x
  2. Step 2: Convert to fraction form
    1,259,123.46/1,888,955.04 = 406,243.68/x
  3. Step 3: Cross multiply
    1,259,123.46x = 1,888,955.04 × 406,243.68
  4. Step 4: Simplify right side
    1,259,123.46x = 767,376,046,804.15
  5. Step 5: Solve for x
    x = 767,376,046,804.15/1,259,123.46
  6. Step 6: Final answer
    x = 609,452.58

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1.5x scale

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.