Home / 1,097,457.72-1,646,200.41-386,987.55

Finding the Fourth Proportional to 1,097,457.72, 1,646,200.41 and 386,987.55

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Solution

The fourth proportional to 1,097,457.72, 1,646,200.41 and 386,987.55 is: 580,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,457.72 : 1,646,200.41 = 386,987.55 : x
  2. Step 2: Convert to fraction form
    1,097,457.72/1,646,200.41 = 386,987.55/x
  3. Step 3: Cross multiply
    1,097,457.72x = 1,646,200.41 × 386,987.55
  4. Step 4: Simplify right side
    1,097,457.72x = 637,059,063,474.90
  5. Step 5: Solve for x
    x = 637,059,063,474.90/1,097,457.72
  6. Step 6: Final answer
    x = 580,486.20

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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.