Home / 715,947.16-1,075,889.04-669,134.41

Finding the Fourth Proportional to 715,947.16, 1,075,889.04 and 669,134.41

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Solution

The fourth proportional to 715,947.16, 1,075,889.04 and 669,134.41 is: 1,005,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,947.16 : 1,075,889.04 = 669,134.41 : x
  2. Step 2: Convert to fraction form
    715,947.16/1,075,889.04 = 669,134.41/x
  3. Step 3: Cross multiply
    715,947.16x = 1,075,889.04 × 669,134.41
  4. Step 4: Simplify right side
    715,947.16x = 719,914,378,005.87
  5. Step 5: Solve for x
    x = 719,914,378,005.87/715,947.16
  6. Step 6: Final answer
    x = 1,005,541.22

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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.