Home / 1,463,992.31-2,020,352.15-819,395.93

Finding the Fourth Proportional to 1,463,992.31, 2,020,352.15 and 819,395.93

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Solution

The fourth proportional to 1,463,992.31, 2,020,352.15 and 819,395.93 is: 1,130,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,992.31 : 2,020,352.15 = 819,395.93 : x
  2. Step 2: Convert to fraction form
    1,463,992.31/2,020,352.15 = 819,395.93/x
  3. Step 3: Cross multiply
    1,463,992.31x = 2,020,352.15 × 819,395.93
  4. Step 4: Simplify right side
    1,463,992.31x = 1,655,468,328,876.75
  5. Step 5: Solve for x
    x = 1,655,468,328,876.75/1,463,992.31
  6. Step 6: Final answer
    x = 1,130,790.32

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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.