Home / 1,008,031.20-1,391,082.58-555,322.20

Finding the Fourth Proportional to 1,008,031.20, 1,391,082.58 and 555,322.20

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Solution

The fourth proportional to 1,008,031.20, 1,391,082.58 and 555,322.20 is: 766,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,031.20 : 1,391,082.58 = 555,322.20 : x
  2. Step 2: Convert to fraction form
    1,008,031.20/1,391,082.58 = 555,322.20/x
  3. Step 3: Cross multiply
    1,008,031.20x = 1,391,082.58 × 555,322.20
  4. Step 4: Simplify right side
    1,008,031.20x = 772,499,038,707.28
  5. Step 5: Solve for x
    x = 772,499,038,707.28/1,008,031.20
  6. Step 6: Final answer
    x = 766,344.37

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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.