Home / 1,019,995.92-1,528,594.20-645,348.24

Finding the Fourth Proportional to 1,019,995.92, 1,528,594.20 and 645,348.24

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Solution

The fourth proportional to 1,019,995.92, 1,528,594.20 and 645,348.24 is: 967,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,995.92 : 1,528,594.20 = 645,348.24 : x
  2. Step 2: Convert to fraction form
    1,019,995.92/1,528,594.20 = 645,348.24/x
  3. Step 3: Cross multiply
    1,019,995.92x = 1,528,594.20 × 645,348.24
  4. Step 4: Simplify right side
    1,019,995.92x = 986,475,576,644.21
  5. Step 5: Solve for x
    x = 986,475,576,644.21/1,019,995.92
  6. Step 6: Final answer
    x = 967,136.79

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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.