Home / 1,213,497.60-1,674,615.60-669,638.40

Finding the Fourth Proportional to 1,213,497.60, 1,674,615.60 and 669,638.40

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Solution

The fourth proportional to 1,213,497.60, 1,674,615.60 and 669,638.40 is: 924,094.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,497.60 : 1,674,615.60 = 669,638.40 : x
  2. Step 2: Convert to fraction form
    1,213,497.60/1,674,615.60 = 669,638.40/x
  3. Step 3: Cross multiply
    1,213,497.60x = 1,674,615.60 × 669,638.40
  4. Step 4: Simplify right side
    1,213,497.60x = 1,121,386,910,999.04
  5. Step 5: Solve for x
    x = 1,121,386,910,999.04/1,213,497.60
  6. Step 6: Final answer
    x = 924,094.87

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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.