Home / 1,690,494.32-2,534,938.76-980,739.92

Finding the Fourth Proportional to 1,690,494.32, 2,534,938.76 and 980,739.92

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Solution

The fourth proportional to 1,690,494.32, 2,534,938.76 and 980,739.92 is: 1,470,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,494.32 : 2,534,938.76 = 980,739.92 : x
  2. Step 2: Convert to fraction form
    1,690,494.32/2,534,938.76 = 980,739.92/x
  3. Step 3: Cross multiply
    1,690,494.32x = 2,534,938.76 × 980,739.92
  4. Step 4: Simplify right side
    1,690,494.32x = 2,486,115,636,687.30
  5. Step 5: Solve for x
    x = 2,486,115,636,687.30/1,690,494.32
  6. Step 6: Final answer
    x = 1,470,644.18

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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.