Home / 1,006,608.58-1,389,119.78-553,899.58

Finding the Fourth Proportional to 1,006,608.58, 1,389,119.78 and 553,899.58

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Solution

The fourth proportional to 1,006,608.58, 1,389,119.78 and 553,899.58 is: 764,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,608.58 : 1,389,119.78 = 553,899.58 : x
  2. Step 2: Convert to fraction form
    1,006,608.58/1,389,119.78 = 553,899.58/x
  3. Step 3: Cross multiply
    1,006,608.58x = 1,389,119.78 × 553,899.58
  4. Step 4: Simplify right side
    1,006,608.58x = 769,432,862,711.69
  5. Step 5: Solve for x
    x = 769,432,862,711.69/1,006,608.58
  6. Step 6: Final answer
    x = 764,381.39

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Double scale
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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.