Home / 1,026,387.75-1,539,419.89-343,269.40

Finding the Fourth Proportional to 1,026,387.75, 1,539,419.89 and 343,269.40

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Solution

The fourth proportional to 1,026,387.75, 1,539,419.89 and 343,269.40 is: 514,850.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,387.75 : 1,539,419.89 = 343,269.40 : x
  2. Step 2: Convert to fraction form
    1,026,387.75/1,539,419.89 = 343,269.40/x
  3. Step 3: Cross multiply
    1,026,387.75x = 1,539,419.89 × 343,269.40
  4. Step 4: Simplify right side
    1,026,387.75x = 528,435,741,988.37
  5. Step 5: Solve for x
    x = 528,435,741,988.37/1,026,387.75
  6. Step 6: Final answer
    x = 514,850.01

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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.