Home / 1,005,399.07-1,388,860.53-914,594.83

Finding the Fourth Proportional to 1,005,399.07, 1,388,860.53 and 914,594.83

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Solution

The fourth proportional to 1,005,399.07, 1,388,860.53 and 914,594.83 is: 1,263,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,399.07 : 1,388,860.53 = 914,594.83 : x
  2. Step 2: Convert to fraction form
    1,005,399.07/1,388,860.53 = 914,594.83/x
  3. Step 3: Cross multiply
    1,005,399.07x = 1,388,860.53 × 914,594.83
  4. Step 4: Simplify right side
    1,005,399.07x = 1,270,244,653,427.18
  5. Step 5: Solve for x
    x = 1,270,244,653,427.18/1,005,399.07
  6. Step 6: Final answer
    x = 1,263,423.35

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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.