Home / 1,450,400.40-2,173,786.20-740,710.80

Finding the Fourth Proportional to 1,450,400.40, 2,173,786.20 and 740,710.80

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Solution

The fourth proportional to 1,450,400.40, 2,173,786.20 and 740,710.80 is: 1,110,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,400.40 : 2,173,786.20 = 740,710.80 : x
  2. Step 2: Convert to fraction form
    1,450,400.40/2,173,786.20 = 740,710.80/x
  3. Step 3: Cross multiply
    1,450,400.40x = 2,173,786.20 × 740,710.80
  4. Step 4: Simplify right side
    1,450,400.40x = 1,610,146,915,230.96
  5. Step 5: Solve for x
    x = 1,610,146,915,230.96/1,450,400.40
  6. Step 6: Final answer
    x = 1,110,139.60

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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.