Home / 1,090,669.36-1,636,686.06-416,808.22

Finding the Fourth Proportional to 1,090,669.36, 1,636,686.06 and 416,808.22

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Solution

The fourth proportional to 1,090,669.36, 1,636,686.06 and 416,808.22 is: 625,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,669.36 : 1,636,686.06 = 416,808.22 : x
  2. Step 2: Convert to fraction form
    1,090,669.36/1,636,686.06 = 416,808.22/x
  3. Step 3: Cross multiply
    1,090,669.36x = 1,636,686.06 × 416,808.22
  4. Step 4: Simplify right side
    1,090,669.36x = 682,184,203,367.41
  5. Step 5: Solve for x
    x = 682,184,203,367.41/1,090,669.36
  6. Step 6: Final answer
    x = 625,472.97

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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.