Home / 1,017,484.78-1,404,145.50-558,641.68

Finding the Fourth Proportional to 1,017,484.78, 1,404,145.50 and 558,641.68

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Solution

The fourth proportional to 1,017,484.78, 1,404,145.50 and 558,641.68 is: 770,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,484.78 : 1,404,145.50 = 558,641.68 : x
  2. Step 2: Convert to fraction form
    1,017,484.78/1,404,145.50 = 558,641.68/x
  3. Step 3: Cross multiply
    1,017,484.78x = 1,404,145.50 × 558,641.68
  4. Step 4: Simplify right side
    1,017,484.78x = 784,414,201,084.44
  5. Step 5: Solve for x
    x = 784,414,201,084.44/1,017,484.78
  6. Step 6: Final answer
    x = 770,934.58

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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.