Home / 1,178,387.69-1,626,048.72-791,124.66

Finding the Fourth Proportional to 1,178,387.69, 1,626,048.72 and 791,124.66

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Solution

The fourth proportional to 1,178,387.69, 1,626,048.72 and 791,124.66 is: 1,091,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,387.69 : 1,626,048.72 = 791,124.66 : x
  2. Step 2: Convert to fraction form
    1,178,387.69/1,626,048.72 = 791,124.66/x
  3. Step 3: Cross multiply
    1,178,387.69x = 1,626,048.72 × 791,124.66
  4. Step 4: Simplify right side
    1,178,387.69x = 1,286,407,240,753.44
  5. Step 5: Solve for x
    x = 1,286,407,240,753.44/1,178,387.69
  6. Step 6: Final answer
    x = 1,091,667.25

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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.