Home / 1,145,057.30-1,717,918.36-461,591.40

Finding the Fourth Proportional to 1,145,057.30, 1,717,918.36 and 461,591.40

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Solution

The fourth proportional to 1,145,057.30, 1,717,918.36 and 461,591.40 is: 692,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,057.30 : 1,717,918.36 = 461,591.40 : x
  2. Step 2: Convert to fraction form
    1,145,057.30/1,717,918.36 = 461,591.40/x
  3. Step 3: Cross multiply
    1,145,057.30x = 1,717,918.36 × 461,591.40
  4. Step 4: Simplify right side
    1,145,057.30x = 792,976,333,438.07
  5. Step 5: Solve for x
    x = 792,976,333,438.07/1,145,057.30
  6. Step 6: Final answer
    x = 692,521.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.