Home / 1,127,543.02-1,691,563.30-328,887.07

Finding the Fourth Proportional to 1,127,543.02, 1,691,563.30 and 328,887.07

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Solution

The fourth proportional to 1,127,543.02, 1,691,563.30 and 328,887.07 is: 493,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,543.02 : 1,691,563.30 = 328,887.07 : x
  2. Step 2: Convert to fraction form
    1,127,543.02/1,691,563.30 = 328,887.07/x
  3. Step 3: Cross multiply
    1,127,543.02x = 1,691,563.30 × 328,887.07
  4. Step 4: Simplify right side
    1,127,543.02x = 556,333,297,456.53
  5. Step 5: Solve for x
    x = 556,333,297,456.53/1,127,543.02
  6. Step 6: Final answer
    x = 493,403.17

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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.