Home / 1,213,646.29-1,674,828.43-669,778.14

Finding the Fourth Proportional to 1,213,646.29, 1,674,828.43 and 669,778.14

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Solution

The fourth proportional to 1,213,646.29, 1,674,828.43 and 669,778.14 is: 924,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,646.29 : 1,674,828.43 = 669,778.14 : x
  2. Step 2: Convert to fraction form
    1,213,646.29/1,674,828.43 = 669,778.14/x
  3. Step 3: Cross multiply
    1,213,646.29x = 1,674,828.43 × 669,778.14
  4. Step 4: Simplify right side
    1,213,646.29x = 1,121,763,470,664.52
  5. Step 5: Solve for x
    x = 1,121,763,470,664.52/1,213,646.29
  6. Step 6: Final answer
    x = 924,291.93

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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.