Home / 1,007,125.20-1,389,829.14-554,416.20

Finding the Fourth Proportional to 1,007,125.20, 1,389,829.14 and 554,416.20

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Solution

The fourth proportional to 1,007,125.20, 1,389,829.14 and 554,416.20 is: 765,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,125.20 : 1,389,829.14 = 554,416.20 : x
  2. Step 2: Convert to fraction form
    1,007,125.20/1,389,829.14 = 554,416.20/x
  3. Step 3: Cross multiply
    1,007,125.20x = 1,389,829.14 × 554,416.20
  4. Step 4: Simplify right side
    1,007,125.20x = 770,543,790,448.07
  5. Step 5: Solve for x
    x = 770,543,790,448.07/1,007,125.20
  6. Step 6: Final answer
    x = 765,092.35

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1.5x scale

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.