Home / 1,107,465.70-1,661,567.10-397,549.30

Finding the Fourth Proportional to 1,107,465.70, 1,661,567.10 and 397,549.30

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Solution

The fourth proportional to 1,107,465.70, 1,661,567.10 and 397,549.30 is: 596,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,465.70 : 1,661,567.10 = 397,549.30 : x
  2. Step 2: Convert to fraction form
    1,107,465.70/1,661,567.10 = 397,549.30/x
  3. Step 3: Cross multiply
    1,107,465.70x = 1,661,567.10 × 397,549.30
  4. Step 4: Simplify right side
    1,107,465.70x = 660,554,837,508.03
  5. Step 5: Solve for x
    x = 660,554,837,508.03/1,107,465.70
  6. Step 6: Final answer
    x = 596,456.25

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Double scale
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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.