Home / 1,457,738.30-2,187,238.98-783,032.40

Finding the Fourth Proportional to 1,457,738.30, 2,187,238.98 and 783,032.40

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Solution

The fourth proportional to 1,457,738.30, 2,187,238.98 and 783,032.40 is: 1,174,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,738.30 : 2,187,238.98 = 783,032.40 : x
  2. Step 2: Convert to fraction form
    1,457,738.30/2,187,238.98 = 783,032.40/x
  3. Step 3: Cross multiply
    1,457,738.30x = 2,187,238.98 × 783,032.40
  4. Step 4: Simplify right side
    1,457,738.30x = 1,712,678,987,882.95
  5. Step 5: Solve for x
    x = 1,712,678,987,882.95/1,457,738.30
  6. Step 6: Final answer
    x = 1,174,887.83

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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.