Home / 1,447,380.64-1,997,127.12-874,036.96

Finding the Fourth Proportional to 1,447,380.64, 1,997,127.12 and 874,036.96

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Solution

The fourth proportional to 1,447,380.64, 1,997,127.12 and 874,036.96 is: 1,206,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,380.64 : 1,997,127.12 = 874,036.96 : x
  2. Step 2: Convert to fraction form
    1,447,380.64/1,997,127.12 = 874,036.96/x
  3. Step 3: Cross multiply
    1,447,380.64x = 1,997,127.12 × 874,036.96
  4. Step 4: Simplify right side
    1,447,380.64x = 1,745,562,916,698.36
  5. Step 5: Solve for x
    x = 1,745,562,916,698.36/1,447,380.64
  6. Step 6: Final answer
    x = 1,206,015.11

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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.