Home / 1,448,693.20-2,173,039.80-913,315.60

Finding the Fourth Proportional to 1,448,693.20, 2,173,039.80 and 913,315.60

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Solution

The fourth proportional to 1,448,693.20, 2,173,039.80 and 913,315.60 is: 1,369,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,693.20 : 2,173,039.80 = 913,315.60 : x
  2. Step 2: Convert to fraction form
    1,448,693.20/2,173,039.80 = 913,315.60/x
  3. Step 3: Cross multiply
    1,448,693.20x = 2,173,039.80 × 913,315.60
  4. Step 4: Simplify right side
    1,448,693.20x = 1,984,671,148,760.88
  5. Step 5: Solve for x
    x = 1,984,671,148,760.88/1,448,693.20
  6. Step 6: Final answer
    x = 1,369,973.40

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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.