Home / 1,095,475.68-1,641,857.04-620,721.72

Finding the Fourth Proportional to 1,095,475.68, 1,641,857.04 and 620,721.72

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Solution

The fourth proportional to 1,095,475.68, 1,641,857.04 and 620,721.72 is: 930,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,475.68 : 1,641,857.04 = 620,721.72 : x
  2. Step 2: Convert to fraction form
    1,095,475.68/1,641,857.04 = 620,721.72/x
  3. Step 3: Cross multiply
    1,095,475.68x = 1,641,857.04 × 620,721.72
  4. Step 4: Simplify right side
    1,095,475.68x = 1,019,136,325,862.91
  5. Step 5: Solve for x
    x = 1,019,136,325,862.91/1,095,475.68
  6. Step 6: Final answer
    x = 930,313.97

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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.