Home / 802,421.28-1,202,569.20-669,564

Finding the Fourth Proportional to 802,421.28, 1,202,569.20 and 669,564

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Solution

The fourth proportional to 802,421.28, 1,202,569.20 and 669,564 is: 1,003,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,421.28 : 1,202,569.20 = 669,564 : x
  2. Step 2: Convert to fraction form
    802,421.28/1,202,569.20 = 669,564/x
  3. Step 3: Cross multiply
    802,421.28x = 1,202,569.20 × 669,564
  4. Step 4: Simplify right side
    802,421.28x = 805,197,043,828.80
  5. Step 5: Solve for x
    x = 805,197,043,828.80/802,421.28
  6. Step 6: Final answer
    x = 1,003,459.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.