Home / 1,213,802.44-1,674,928.11-669,903.11

Finding the Fourth Proportional to 1,213,802.44, 1,674,928.11 and 669,903.11

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Solution

The fourth proportional to 1,213,802.44, 1,674,928.11 and 669,903.11 is: 924,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,802.44 : 1,674,928.11 = 669,903.11 : x
  2. Step 2: Convert to fraction form
    1,213,802.44/1,674,928.11 = 669,903.11/x
  3. Step 3: Cross multiply
    1,213,802.44x = 1,674,928.11 × 669,903.11
  4. Step 4: Simplify right side
    1,213,802.44x = 1,122,039,551,590.61
  5. Step 5: Solve for x
    x = 1,122,039,551,590.61/1,213,802.44
  6. Step 6: Final answer
    x = 924,400.47

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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.