Home / 1,448,783.70-2,173,175.55-913,406.10

Finding the Fourth Proportional to 1,448,783.70, 2,173,175.55 and 913,406.10

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Solution

The fourth proportional to 1,448,783.70, 2,173,175.55 and 913,406.10 is: 1,370,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,783.70 : 2,173,175.55 = 913,406.10 : x
  2. Step 2: Convert to fraction form
    1,448,783.70/2,173,175.55 = 913,406.10/x
  3. Step 3: Cross multiply
    1,448,783.70x = 2,173,175.55 × 913,406.10
  4. Step 4: Simplify right side
    1,448,783.70x = 1,984,991,803,740.85
  5. Step 5: Solve for x
    x = 1,984,991,803,740.85/1,448,783.70
  6. Step 6: Final answer
    x = 1,370,109.15

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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.