Home / 964,406.06-1,443,771.29-643,762.61

Finding the Fourth Proportional to 964,406.06, 1,443,771.29 and 643,762.61

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Solution

The fourth proportional to 964,406.06, 1,443,771.29 and 643,762.61 is: 963,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,406.06 : 1,443,771.29 = 643,762.61 : x
  2. Step 2: Convert to fraction form
    964,406.06/1,443,771.29 = 643,762.61/x
  3. Step 3: Cross multiply
    964,406.06x = 1,443,771.29 × 643,762.61
  4. Step 4: Simplify right side
    964,406.06x = 929,445,974,284.08
  5. Step 5: Solve for x
    x = 929,445,974,284.08/964,406.06
  6. Step 6: Final answer
    x = 963,749.63

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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.