Home / 1,213,802.20-1,674,927.48-669,968.20

Finding the Fourth Proportional to 1,213,802.20, 1,674,927.48 and 669,968.20

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Solution

The fourth proportional to 1,213,802.20, 1,674,927.48 and 669,968.20 is: 924,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,802.20 : 1,674,927.48 = 669,968.20 : x
  2. Step 2: Convert to fraction form
    1,213,802.20/1,674,927.48 = 669,968.20/x
  3. Step 3: Cross multiply
    1,213,802.20x = 1,674,927.48 × 669,968.20
  4. Step 4: Simplify right side
    1,213,802.20x = 1,122,148,148,906.14
  5. Step 5: Solve for x
    x = 1,122,148,148,906.14/1,213,802.20
  6. Step 6: Final answer
    x = 924,490.13

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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.