Home / 1,007,616.26-1,390,447.41-554,907.26

Finding the Fourth Proportional to 1,007,616.26, 1,390,447.41 and 554,907.26

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Solution

The fourth proportional to 1,007,616.26, 1,390,447.41 and 554,907.26 is: 765,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,616.26 : 1,390,447.41 = 554,907.26 : x
  2. Step 2: Convert to fraction form
    1,007,616.26/1,390,447.41 = 554,907.26/x
  3. Step 3: Cross multiply
    1,007,616.26x = 1,390,447.41 × 554,907.26
  4. Step 4: Simplify right side
    1,007,616.26x = 771,569,355,504.96
  5. Step 5: Solve for x
    x = 771,569,355,504.96/1,007,616.26
  6. Step 6: Final answer
    x = 765,737.30

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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.