Home / 1,078,672.50-1,617,588.20-404,386.26

Finding the Fourth Proportional to 1,078,672.50, 1,617,588.20 and 404,386.26

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Solution

The fourth proportional to 1,078,672.50, 1,617,588.20 and 404,386.26 is: 606,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,672.50 : 1,617,588.20 = 404,386.26 : x
  2. Step 2: Convert to fraction form
    1,078,672.50/1,617,588.20 = 404,386.26/x
  3. Step 3: Cross multiply
    1,078,672.50x = 1,617,588.20 × 404,386.26
  4. Step 4: Simplify right side
    1,078,672.50x = 654,130,442,418.13
  5. Step 5: Solve for x
    x = 654,130,442,418.13/1,078,672.50
  6. Step 6: Final answer
    x = 606,421.73

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Double scale
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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.