Home / 1,154,720.20-1,593,463.68-631,421.20

Finding the Fourth Proportional to 1,154,720.20, 1,593,463.68 and 631,421.20

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Solution

The fourth proportional to 1,154,720.20, 1,593,463.68 and 631,421.20 is: 871,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,720.20 : 1,593,463.68 = 631,421.20 : x
  2. Step 2: Convert to fraction form
    1,154,720.20/1,593,463.68 = 631,421.20/x
  3. Step 3: Cross multiply
    1,154,720.20x = 1,593,463.68 × 631,421.20
  4. Step 4: Simplify right side
    1,154,720.20x = 1,006,146,748,982.02
  5. Step 5: Solve for x
    x = 1,006,146,748,982.02/1,154,720.20
  6. Step 6: Final answer
    x = 871,333.81

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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.