Home / 1,048,479.86-1,572,717.14-290,318.80

Finding the Fourth Proportional to 1,048,479.86, 1,572,717.14 and 290,318.80

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Solution

The fourth proportional to 1,048,479.86, 1,572,717.14 and 290,318.80 is: 435,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,479.86 : 1,572,717.14 = 290,318.80 : x
  2. Step 2: Convert to fraction form
    1,048,479.86/1,572,717.14 = 290,318.80/x
  3. Step 3: Cross multiply
    1,048,479.86x = 1,572,717.14 × 290,318.80
  4. Step 4: Simplify right side
    1,048,479.86x = 456,589,352,824.23
  5. Step 5: Solve for x
    x = 456,589,352,824.23/1,048,479.86
  6. Step 6: Final answer
    x = 435,477.47

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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.