Home / 1,213,803.70-1,674,929.55-669,969.70

Finding the Fourth Proportional to 1,213,803.70, 1,674,929.55 and 669,969.70

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Solution

The fourth proportional to 1,213,803.70, 1,674,929.55 and 669,969.70 is: 924,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,803.70 : 1,674,929.55 = 669,969.70 : x
  2. Step 2: Convert to fraction form
    1,213,803.70/1,674,929.55 = 669,969.70/x
  3. Step 3: Cross multiply
    1,213,803.70x = 1,674,929.55 × 669,969.70
  4. Step 4: Simplify right side
    1,213,803.70x = 1,122,152,048,134.64
  5. Step 5: Solve for x
    x = 1,122,152,048,134.64/1,213,803.70
  6. Step 6: Final answer
    x = 924,492.20

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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.