Home / 1,048,288.42-1,447,545.36-994,479.58

Finding the Fourth Proportional to 1,048,288.42, 1,447,545.36 and 994,479.58

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Solution

The fourth proportional to 1,048,288.42, 1,447,545.36 and 994,479.58 is: 1,373,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,288.42 : 1,447,545.36 = 994,479.58 : x
  2. Step 2: Convert to fraction form
    1,048,288.42/1,447,545.36 = 994,479.58/x
  3. Step 3: Cross multiply
    1,048,288.42x = 1,447,545.36 × 994,479.58
  4. Step 4: Simplify right side
    1,048,288.42x = 1,439,554,301,643.75
  5. Step 5: Solve for x
    x = 1,439,554,301,643.75/1,048,288.42
  6. Step 6: Final answer
    x = 1,373,242.59

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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.