Home / 1,029,057.36-1,420,592.76-723,395.76

Finding the Fourth Proportional to 1,029,057.36, 1,420,592.76 and 723,395.76

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Solution

The fourth proportional to 1,029,057.36, 1,420,592.76 and 723,395.76 is: 998,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,057.36 : 1,420,592.76 = 723,395.76 : x
  2. Step 2: Convert to fraction form
    1,029,057.36/1,420,592.76 = 723,395.76/x
  3. Step 3: Cross multiply
    1,029,057.36x = 1,420,592.76 × 723,395.76
  4. Step 4: Simplify right side
    1,029,057.36x = 1,027,650,779,270.70
  5. Step 5: Solve for x
    x = 1,027,650,779,270.70/1,029,057.36
  6. Step 6: Final answer
    x = 998,633.14

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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.