Home / 1,148,131.57-1,722,586.61-508,347.21

Finding the Fourth Proportional to 1,148,131.57, 1,722,586.61 and 508,347.21

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Solution

The fourth proportional to 1,148,131.57, 1,722,586.61 and 508,347.21 is: 762,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,131.57 : 1,722,586.61 = 508,347.21 : x
  2. Step 2: Convert to fraction form
    1,148,131.57/1,722,586.61 = 508,347.21/x
  3. Step 3: Cross multiply
    1,148,131.57x = 1,722,586.61 × 508,347.21
  4. Step 4: Simplify right side
    1,148,131.57x = 875,672,097,176.86
  5. Step 5: Solve for x
    x = 875,672,097,176.86/1,148,131.57
  6. Step 6: Final answer
    x = 762,693.16

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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.