Home / 1,213,176.29-1,674,215.33-669,319.20

Finding the Fourth Proportional to 1,213,176.29, 1,674,215.33 and 669,319.20

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Solution

The fourth proportional to 1,213,176.29, 1,674,215.33 and 669,319.20 is: 923,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,176.29 : 1,674,215.33 = 669,319.20 : x
  2. Step 2: Convert to fraction form
    1,213,176.29/1,674,215.33 = 669,319.20/x
  3. Step 3: Cross multiply
    1,213,176.29x = 1,674,215.33 × 669,319.20
  4. Step 4: Simplify right side
    1,213,176.29x = 1,120,584,461,956.74
  5. Step 5: Solve for x
    x = 1,120,584,461,956.74/1,213,176.29
  6. Step 6: Final answer
    x = 923,678.18

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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.