Home / 1,484,019.72-2,045,148.30-1,189,334.71

Finding the Fourth Proportional to 1,484,019.72, 2,045,148.30 and 1,189,334.71

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Solution

The fourth proportional to 1,484,019.72, 2,045,148.30 and 1,189,334.71 is: 1,639,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,019.72 : 2,045,148.30 = 1,189,334.71 : x
  2. Step 2: Convert to fraction form
    1,484,019.72/2,045,148.30 = 1,189,334.71/x
  3. Step 3: Cross multiply
    1,484,019.72x = 2,045,148.30 × 1,189,334.71
  4. Step 4: Simplify right side
    1,484,019.72x = 2,432,365,862,843.93
  5. Step 5: Solve for x
    x = 2,432,365,862,843.93/1,484,019.72
  6. Step 6: Final answer
    x = 1,639,038.77

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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.