Home / 1,457,751.80-2,187,259.23-783,045.90

Finding the Fourth Proportional to 1,457,751.80, 2,187,259.23 and 783,045.90

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Solution

The fourth proportional to 1,457,751.80, 2,187,259.23 and 783,045.90 is: 1,174,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,751.80 : 2,187,259.23 = 783,045.90 : x
  2. Step 2: Convert to fraction form
    1,457,751.80/2,187,259.23 = 783,045.90/x
  3. Step 3: Cross multiply
    1,457,751.80x = 2,187,259.23 × 783,045.90
  4. Step 4: Simplify right side
    1,457,751.80x = 1,712,724,372,288.66
  5. Step 5: Solve for x
    x = 1,712,724,372,288.66/1,457,751.80
  6. Step 6: Final answer
    x = 1,174,908.09

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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.