Home / 1,690,932.45-2,333,576.21-927,018.21

Finding the Fourth Proportional to 1,690,932.45, 2,333,576.21 and 927,018.21

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Solution

The fourth proportional to 1,690,932.45, 2,333,576.21 and 927,018.21 is: 1,279,334.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,932.45 : 2,333,576.21 = 927,018.21 : x
  2. Step 2: Convert to fraction form
    1,690,932.45/2,333,576.21 = 927,018.21/x
  3. Step 3: Cross multiply
    1,690,932.45x = 2,333,576.21 × 927,018.21
  4. Step 4: Simplify right side
    1,690,932.45x = 2,163,267,636,457.69
  5. Step 5: Solve for x
    x = 2,163,267,636,457.69/1,690,932.45
  6. Step 6: Final answer
    x = 1,279,334.15

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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.