Home / 1,552,457.90-2,142,416.15-864,137.24

Finding the Fourth Proportional to 1,552,457.90, 2,142,416.15 and 864,137.24

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Solution

The fourth proportional to 1,552,457.90, 2,142,416.15 and 864,137.24 is: 1,192,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,457.90 : 2,142,416.15 = 864,137.24 : x
  2. Step 2: Convert to fraction form
    1,552,457.90/2,142,416.15 = 864,137.24/x
  3. Step 3: Cross multiply
    1,552,457.90x = 2,142,416.15 × 864,137.24
  4. Step 4: Simplify right side
    1,552,457.90x = 1,851,341,587,085.33
  5. Step 5: Solve for x
    x = 1,851,341,587,085.33/1,552,457.90
  6. Step 6: Final answer
    x = 1,192,522.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.