Home / 1,007,220.36-1,389,914.10-554,501.64

Finding the Fourth Proportional to 1,007,220.36, 1,389,914.10 and 554,501.64

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Solution

The fourth proportional to 1,007,220.36, 1,389,914.10 and 554,501.64 is: 765,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,220.36 : 1,389,914.10 = 554,501.64 : x
  2. Step 2: Convert to fraction form
    1,007,220.36/1,389,914.10 = 554,501.64/x
  3. Step 3: Cross multiply
    1,007,220.36x = 1,389,914.10 × 554,501.64
  4. Step 4: Simplify right side
    1,007,220.36x = 770,709,647,909.12
  5. Step 5: Solve for x
    x = 770,709,647,909.12/1,007,220.36
  6. Step 6: Final answer
    x = 765,184.74

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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.