Home / 1,630,575.89-2,250,402.32-986,000.69

Finding the Fourth Proportional to 1,630,575.89, 2,250,402.32 and 986,000.69

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Solution

The fourth proportional to 1,630,575.89, 2,250,402.32 and 986,000.69 is: 1,360,806.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,575.89 : 2,250,402.32 = 986,000.69 : x
  2. Step 2: Convert to fraction form
    1,630,575.89/2,250,402.32 = 986,000.69/x
  3. Step 3: Cross multiply
    1,630,575.89x = 2,250,402.32 × 986,000.69
  4. Step 4: Simplify right side
    1,630,575.89x = 2,218,898,224,115.59
  5. Step 5: Solve for x
    x = 2,218,898,224,115.59/1,630,575.89
  6. Step 6: Final answer
    x = 1,360,806.48

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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.