Home / 1,105,938.12-1,656,249.96-631,184.16

Finding the Fourth Proportional to 1,105,938.12, 1,656,249.96 and 631,184.16

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Solution

The fourth proportional to 1,105,938.12, 1,656,249.96 and 631,184.16 is: 945,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,938.12 : 1,656,249.96 = 631,184.16 : x
  2. Step 2: Convert to fraction form
    1,105,938.12/1,656,249.96 = 631,184.16/x
  3. Step 3: Cross multiply
    1,105,938.12x = 1,656,249.96 × 631,184.16
  4. Step 4: Simplify right side
    1,105,938.12x = 1,045,398,739,752.63
  5. Step 5: Solve for x
    x = 1,045,398,739,752.63/1,105,938.12
  6. Step 6: Final answer
    x = 945,259.70

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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.