Home / 1,207,056.90-1,665,883.35-723,887.85

Finding the Fourth Proportional to 1,207,056.90, 1,665,883.35 and 723,887.85

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Solution

The fourth proportional to 1,207,056.90, 1,665,883.35 and 723,887.85 is: 999,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,056.90 : 1,665,883.35 = 723,887.85 : x
  2. Step 2: Convert to fraction form
    1,207,056.90/1,665,883.35 = 723,887.85/x
  3. Step 3: Cross multiply
    1,207,056.90x = 1,665,883.35 × 723,887.85
  4. Step 4: Simplify right side
    1,207,056.90x = 1,205,912,716,582.30
  5. Step 5: Solve for x
    x = 1,205,912,716,582.30/1,207,056.90
  6. Step 6: Final answer
    x = 999,052.09

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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.