Home / 1,326,681.88-1,990,044.42-380,048.92

Finding the Fourth Proportional to 1,326,681.88, 1,990,044.42 and 380,048.92

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Solution

The fourth proportional to 1,326,681.88, 1,990,044.42 and 380,048.92 is: 570,079.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,681.88 : 1,990,044.42 = 380,048.92 : x
  2. Step 2: Convert to fraction form
    1,326,681.88/1,990,044.42 = 380,048.92/x
  3. Step 3: Cross multiply
    1,326,681.88x = 1,990,044.42 × 380,048.92
  4. Step 4: Simplify right side
    1,326,681.88x = 756,314,232,573.03
  5. Step 5: Solve for x
    x = 756,314,232,573.03/1,326,681.88
  6. Step 6: Final answer
    x = 570,079.57

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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.