Home / 1,034,128.04-1,426,513.94-620,557.88

Finding the Fourth Proportional to 1,034,128.04, 1,426,513.94 and 620,557.88

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Solution

The fourth proportional to 1,034,128.04, 1,426,513.94 and 620,557.88 is: 856,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,128.04 : 1,426,513.94 = 620,557.88 : x
  2. Step 2: Convert to fraction form
    1,034,128.04/1,426,513.94 = 620,557.88/x
  3. Step 3: Cross multiply
    1,034,128.04x = 1,426,513.94 × 620,557.88
  4. Step 4: Simplify right side
    1,034,128.04x = 885,234,466,396.85
  5. Step 5: Solve for x
    x = 885,234,466,396.85/1,034,128.04
  6. Step 6: Final answer
    x = 856,020.18

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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.