Home / 1,638,763.80-2,458,145.70-966,917.40

Finding the Fourth Proportional to 1,638,763.80, 2,458,145.70 and 966,917.40

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Solution

The fourth proportional to 1,638,763.80, 2,458,145.70 and 966,917.40 is: 1,450,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,763.80 : 2,458,145.70 = 966,917.40 : x
  2. Step 2: Convert to fraction form
    1,638,763.80/2,458,145.70 = 966,917.40/x
  3. Step 3: Cross multiply
    1,638,763.80x = 2,458,145.70 × 966,917.40
  4. Step 4: Simplify right side
    1,638,763.80x = 2,376,823,849,065.18
  5. Step 5: Solve for x
    x = 2,376,823,849,065.18/1,638,763.80
  6. Step 6: Final answer
    x = 1,450,376.10

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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.