Home / 1,227,639.92-1,838,315.66-1,024,731.51

Finding the Fourth Proportional to 1,227,639.92, 1,838,315.66 and 1,024,731.51

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Solution

The fourth proportional to 1,227,639.92, 1,838,315.66 and 1,024,731.51 is: 1,534,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,639.92 : 1,838,315.66 = 1,024,731.51 : x
  2. Step 2: Convert to fraction form
    1,227,639.92/1,838,315.66 = 1,024,731.51/x
  3. Step 3: Cross multiply
    1,227,639.92x = 1,838,315.66 × 1,024,731.51
  4. Step 4: Simplify right side
    1,227,639.92x = 1,883,779,980,847.53
  5. Step 5: Solve for x
    x = 1,883,779,980,847.53/1,227,639.92
  6. Step 6: Final answer
    x = 1,534,472.73

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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.