Home / 889,189.76-1,333,782.63-687,079.77

Finding the Fourth Proportional to 889,189.76, 1,333,782.63 and 687,079.77

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Solution

The fourth proportional to 889,189.76, 1,333,782.63 and 687,079.77 is: 1,030,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,189.76 : 1,333,782.63 = 687,079.77 : x
  2. Step 2: Convert to fraction form
    889,189.76/1,333,782.63 = 687,079.77/x
  3. Step 3: Cross multiply
    889,189.76x = 1,333,782.63 × 687,079.77
  4. Step 4: Simplify right side
    889,189.76x = 916,415,062,650.40
  5. Step 5: Solve for x
    x = 916,415,062,650.40/889,189.76
  6. Step 6: Final answer
    x = 1,030,618.11

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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.