Home / 1,382,600.90-2,073,998.55-783,848.90

Finding the Fourth Proportional to 1,382,600.90, 2,073,998.55 and 783,848.90

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Solution

The fourth proportional to 1,382,600.90, 2,073,998.55 and 783,848.90 is: 1,175,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,600.90 : 2,073,998.55 = 783,848.90 : x
  2. Step 2: Convert to fraction form
    1,382,600.90/2,073,998.55 = 783,848.90/x
  3. Step 3: Cross multiply
    1,382,600.90x = 2,073,998.55 × 783,848.90
  4. Step 4: Simplify right side
    1,382,600.90x = 1,625,701,482,019.10
  5. Step 5: Solve for x
    x = 1,625,701,482,019.10/1,382,600.90
  6. Step 6: Final answer
    x = 1,175,828.46

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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.