Home / 1,090,612.20-1,636,148.70-332,391.40

Finding the Fourth Proportional to 1,090,612.20, 1,636,148.70 and 332,391.40

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Solution

The fourth proportional to 1,090,612.20, 1,636,148.70 and 332,391.40 is: 498,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,612.20 : 1,636,148.70 = 332,391.40 : x
  2. Step 2: Convert to fraction form
    1,090,612.20/1,636,148.70 = 332,391.40/x
  3. Step 3: Cross multiply
    1,090,612.20x = 1,636,148.70 × 332,391.40
  4. Step 4: Simplify right side
    1,090,612.20x = 543,841,757,001.18
  5. Step 5: Solve for x
    x = 543,841,757,001.18/1,090,612.20
  6. Step 6: Final answer
    x = 498,657.32

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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.