Home / 1,015,899.57-1,402,004.36-563,190.57

Finding the Fourth Proportional to 1,015,899.57, 1,402,004.36 and 563,190.57

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Solution

The fourth proportional to 1,015,899.57, 1,402,004.36 and 563,190.57 is: 777,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,899.57 : 1,402,004.36 = 563,190.57 : x
  2. Step 2: Convert to fraction form
    1,015,899.57/1,402,004.36 = 563,190.57/x
  3. Step 3: Cross multiply
    1,015,899.57x = 1,402,004.36 × 563,190.57
  4. Step 4: Simplify right side
    1,015,899.57x = 789,595,636,058.86
  5. Step 5: Solve for x
    x = 789,595,636,058.86/1,015,899.57
  6. Step 6: Final answer
    x = 777,237.89

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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.