Home / 1,257,329.10-1,735,065.94-713,432.45

Finding the Fourth Proportional to 1,257,329.10, 1,735,065.94 and 713,432.45

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Solution

The fourth proportional to 1,257,329.10, 1,735,065.94 and 713,432.45 is: 984,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,329.10 : 1,735,065.94 = 713,432.45 : x
  2. Step 2: Convert to fraction form
    1,257,329.10/1,735,065.94 = 713,432.45/x
  3. Step 3: Cross multiply
    1,257,329.10x = 1,735,065.94 × 713,432.45
  4. Step 4: Simplify right side
    1,257,329.10x = 1,237,852,344,485.75
  5. Step 5: Solve for x
    x = 1,237,852,344,485.75/1,257,329.10
  6. Step 6: Final answer
    x = 984,509.42

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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.