Home / 1,099,569.28-1,648,836.32-425,966

Finding the Fourth Proportional to 1,099,569.28, 1,648,836.32 and 425,966

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Solution

The fourth proportional to 1,099,569.28, 1,648,836.32 and 425,966 is: 638,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,569.28 : 1,648,836.32 = 425,966 : x
  2. Step 2: Convert to fraction form
    1,099,569.28/1,648,836.32 = 425,966/x
  3. Step 3: Cross multiply
    1,099,569.28x = 1,648,836.32 × 425,966
  4. Step 4: Simplify right side
    1,099,569.28x = 702,348,211,885.12
  5. Step 5: Solve for x
    x = 702,348,211,885.12/1,099,569.28
  6. Step 6: Final answer
    x = 638,748.49

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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.