Home / 1,253,478.65-1,729,907.58-709,710.26

Finding the Fourth Proportional to 1,253,478.65, 1,729,907.58 and 709,710.26

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Solution

The fourth proportional to 1,253,478.65, 1,729,907.58 and 709,710.26 is: 979,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,478.65 : 1,729,907.58 = 709,710.26 : x
  2. Step 2: Convert to fraction form
    1,253,478.65/1,729,907.58 = 709,710.26/x
  3. Step 3: Cross multiply
    1,253,478.65x = 1,729,907.58 × 709,710.26
  4. Step 4: Simplify right side
    1,253,478.65x = 1,227,733,152,389.65
  5. Step 5: Solve for x
    x = 1,227,733,152,389.65/1,253,478.65
  6. Step 6: Final answer
    x = 979,460.76

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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.