Home / 1,421,703.86-2,132,689.44-523,162.76

Finding the Fourth Proportional to 1,421,703.86, 2,132,689.44 and 523,162.76

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Solution

The fourth proportional to 1,421,703.86, 2,132,689.44 and 523,162.76 is: 784,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,703.86 : 2,132,689.44 = 523,162.76 : x
  2. Step 2: Convert to fraction form
    1,421,703.86/2,132,689.44 = 523,162.76/x
  3. Step 3: Cross multiply
    1,421,703.86x = 2,132,689.44 × 523,162.76
  4. Step 4: Simplify right side
    1,421,703.86x = 1,115,743,693,653.25
  5. Step 5: Solve for x
    x = 1,115,743,693,653.25/1,421,703.86
  6. Step 6: Final answer
    x = 784,793.32

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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.