Home / 1,441,558.13-1,989,019.53-860,668.07

Finding the Fourth Proportional to 1,441,558.13, 1,989,019.53 and 860,668.07

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Solution

The fourth proportional to 1,441,558.13, 1,989,019.53 and 860,668.07 is: 1,187,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,558.13 : 1,989,019.53 = 860,668.07 : x
  2. Step 2: Convert to fraction form
    1,441,558.13/1,989,019.53 = 860,668.07/x
  3. Step 3: Cross multiply
    1,441,558.13x = 1,989,019.53 × 860,668.07
  4. Step 4: Simplify right side
    1,441,558.13x = 1,711,885,590,132.31
  5. Step 5: Solve for x
    x = 1,711,885,590,132.31/1,441,558.13
  6. Step 6: Final answer
    x = 1,187,524.50

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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.