Home / 1,006,461.60-1,388,919.28-553,781.60

Finding the Fourth Proportional to 1,006,461.60, 1,388,919.28 and 553,781.60

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Solution

The fourth proportional to 1,006,461.60, 1,388,919.28 and 553,781.60 is: 764,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,461.60 : 1,388,919.28 = 553,781.60 : x
  2. Step 2: Convert to fraction form
    1,006,461.60/1,388,919.28 = 553,781.60/x
  3. Step 3: Cross multiply
    1,006,461.60x = 1,388,919.28 × 553,781.60
  4. Step 4: Simplify right side
    1,006,461.60x = 769,157,941,149.25
  5. Step 5: Solve for x
    x = 769,157,941,149.25/1,006,461.60
  6. Step 6: Final answer
    x = 764,219.86

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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.