Home / 1,158,604.53-1,598,968.94-642,520.05

Finding the Fourth Proportional to 1,158,604.53, 1,598,968.94 and 642,520.05

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Solution

The fourth proportional to 1,158,604.53, 1,598,968.94 and 642,520.05 is: 886,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,604.53 : 1,598,968.94 = 642,520.05 : x
  2. Step 2: Convert to fraction form
    1,158,604.53/1,598,968.94 = 642,520.05/x
  3. Step 3: Cross multiply
    1,158,604.53x = 1,598,968.94 × 642,520.05
  4. Step 4: Simplify right side
    1,158,604.53x = 1,027,369,600,064.65
  5. Step 5: Solve for x
    x = 1,027,369,600,064.65/1,158,604.53
  6. Step 6: Final answer
    x = 886,730.18

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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.