Home / 1,501,380.75-2,071,895.92-813,041.64

Finding the Fourth Proportional to 1,501,380.75, 2,071,895.92 and 813,041.64

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Solution

The fourth proportional to 1,501,380.75, 2,071,895.92 and 813,041.64 is: 1,121,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,380.75 : 2,071,895.92 = 813,041.64 : x
  2. Step 2: Convert to fraction form
    1,501,380.75/2,071,895.92 = 813,041.64/x
  3. Step 3: Cross multiply
    1,501,380.75x = 2,071,895.92 × 813,041.64
  4. Step 4: Simplify right side
    1,501,380.75x = 1,684,537,656,706.11
  5. Step 5: Solve for x
    x = 1,684,537,656,706.11/1,501,380.75
  6. Step 6: Final answer
    x = 1,121,992.31

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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.