Home / 1,218,386.70-1,827,752.85-376,850.70

Finding the Fourth Proportional to 1,218,386.70, 1,827,752.85 and 376,850.70

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Solution

The fourth proportional to 1,218,386.70, 1,827,752.85 and 376,850.70 is: 565,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,386.70 : 1,827,752.85 = 376,850.70 : x
  2. Step 2: Convert to fraction form
    1,218,386.70/1,827,752.85 = 376,850.70/x
  3. Step 3: Cross multiply
    1,218,386.70x = 1,827,752.85 × 376,850.70
  4. Step 4: Simplify right side
    1,218,386.70x = 688,789,940,949.50
  5. Step 5: Solve for x
    x = 688,789,940,949.50/1,218,386.70
  6. Step 6: Final answer
    x = 565,329.50

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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.