Home / 1,295,386.70-1,943,080.05-408,922.70

Finding the Fourth Proportional to 1,295,386.70, 1,943,080.05 and 408,922.70

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Solution

The fourth proportional to 1,295,386.70, 1,943,080.05 and 408,922.70 is: 613,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,386.70 : 1,943,080.05 = 408,922.70 : x
  2. Step 2: Convert to fraction form
    1,295,386.70/1,943,080.05 = 408,922.70/x
  3. Step 3: Cross multiply
    1,295,386.70x = 1,943,080.05 × 408,922.70
  4. Step 4: Simplify right side
    1,295,386.70x = 794,569,540,362.14
  5. Step 5: Solve for x
    x = 794,569,540,362.14/1,295,386.70
  6. Step 6: Final answer
    x = 613,384.05

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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.