Home / 1,088,549.78-1,633,567.71-378,570.74

Finding the Fourth Proportional to 1,088,549.78, 1,633,567.71 and 378,570.74

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Solution

The fourth proportional to 1,088,549.78, 1,633,567.71 and 378,570.74 is: 568,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,549.78 : 1,633,567.71 = 378,570.74 : x
  2. Step 2: Convert to fraction form
    1,088,549.78/1,633,567.71 = 378,570.74/x
  3. Step 3: Cross multiply
    1,088,549.78x = 1,633,567.71 × 378,570.74
  4. Step 4: Simplify right side
    1,088,549.78x = 618,420,936,814.81
  5. Step 5: Solve for x
    x = 618,420,936,814.81/1,088,549.78
  6. Step 6: Final answer
    x = 568,114.52

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1.5x scale

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.