Home / 1,456,103.67-2,185,139.66-509,482.59

Finding the Fourth Proportional to 1,456,103.67, 2,185,139.66 and 509,482.59

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Solution

The fourth proportional to 1,456,103.67, 2,185,139.66 and 509,482.59 is: 764,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,103.67 : 2,185,139.66 = 509,482.59 : x
  2. Step 2: Convert to fraction form
    1,456,103.67/2,185,139.66 = 509,482.59/x
  3. Step 3: Cross multiply
    1,456,103.67x = 2,185,139.66 × 509,482.59
  4. Step 4: Simplify right side
    1,456,103.67x = 1,113,290,610,941.11
  5. Step 5: Solve for x
    x = 1,113,290,610,941.11/1,456,103.67
  6. Step 6: Final answer
    x = 764,568.23

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Double scale
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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.